/* ========================================
   BBL Prüfplattform Flächenmanagement
   Main Styles (BEM Standardized)
   Swiss Federal Design System
   ======================================== */

/* === CSS RESET === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* === BASE STYLES === */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-normal) ease;
}

a:hover {
    color: var(--color-primary-hover);
}

/* === TYPOGRAPHY (Utilities) === */
.text-h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
}

.text-h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.text-h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

/* Text Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

/* === HEADER === */
.header {
    flex-shrink: 0;
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border-light);
}

.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

.header__brand:hover {
    opacity: 0.8;
}

.header__logo {
    height: 32px;
    width: auto;
    display: block;
}

.header__titles {
    display: flex;
    flex-direction: column;
}

.header__org {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.header__app {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.header__user {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    color: var(--color-text-primary);
    transition: background var(--duration-normal) ease;
}

.header__user:hover {
    background: var(--color-bg-secondary);
}

/* === LAYOUT === */
.main-content {
    flex: 1 0 auto;
}

.view {
    display: none;
    padding: var(--space-6) 0;
    animation: fadeIn 0.3s ease;
}

.view--active {
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* === LOGIN === */
.login {
    max-width: 560px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.login__form-wrapper {
    width: 100%;
}

.login__icon {
    text-align: center;
    margin-bottom: var(--space-6);
}

.login__logo {
    max-width: 160px;
    height: auto;
}

.login__form {
    background: var(--color-bg-primary);
    padding: var(--space-6);
    border: 1px solid var(--color-border-light);
}

.login__form .btn {
    display: block;
    width: auto;
    margin: 0 auto;
}

.login__links {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-4);
}

.login__link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.login__downloads {
    background: var(--color-bg-primary);
    padding: var(--space-6);
    border: 1px solid var(--color-border-light);
}

/* === VIDEO PLAYER === */
.video-player {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.video-player__placeholder {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.video-player__controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-primary);
}

.video-player__play-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-player__progress {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
}

.video-player__time {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
}

/* === DOWNLOAD LIST === */
.download-list {
    list-style: none;
}

.download-list li {
    margin-bottom: var(--space-3);
}

.download-list__link {
    color: var(--color-primary);
    text-decoration: underline;
    font-size: var(--font-size-base);
}

.download-list__link:hover {
    color: var(--color-primary-hover);
}

/* === FORM === */
.form__field {
    margin-bottom: var(--space-4);
}

.form__input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 0;
    transition: border-color var(--duration-normal) ease, box-shadow var(--duration-normal) ease;
}

.form__input:hover {
    border-color: var(--color-coal);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input::placeholder {
    color: var(--color-empress);
}

.form__input-group {
    position: relative;
}

.form__input-group .form__input {
    padding-left: var(--input-icon-offset);
}

.form__input-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--button-padding-y) var(--button-padding-x);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: 1.5;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn--secondary {
    background: var(--color-smoke);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-gainsboro);
    color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn--sm {
    padding: var(--button-padding-y-sm) var(--button-padding-x-sm);
    font-size: var(--font-size-sm);
}

.btn--lg {
    padding: var(--button-padding-y-lg) var(--button-padding-x-lg);
    font-size: var(--font-size-lg);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-malibu);
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
}

.page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

/* === SEARCH === */
.search {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.search__input {
    width: 100%;
    height: 40px;
    padding: 0 var(--space-3) 0 var(--input-icon-offset);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-border);
    border-radius: 0;
    background: var(--color-bg-primary);
}

.search__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* === VIEW TOGGLE === */
.view-toggle {
    display: flex;
}

.view-toggle__btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--duration-normal) ease;
}

.view-toggle__btn:hover {
    color: var(--color-text-primary);
}

.view-toggle__btn--active {
    background: var(--color-night-rider);
    color: var(--color-white);
    border-color: var(--color-night-rider);
}

.view-toggle__btn--active:hover {
    color: var(--color-white);
}

/* === CARD GRID === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-5);
    transition: all 0.3s ease;
}

.card-grid--list {
    grid-template-columns: 1fr;
}

/* === CARD === */
.card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    animation: fadeInUp 0.4s ease backwards;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }
.card:nth-child(5) { animation-delay: 0.25s; }

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--overlay-dark);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    padding: var(--space-4);
}

.card__content {
    flex: 1;
    padding: var(--space-5);
}

.card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.card__meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.card__meta-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.card__meta-left dd {
    margin: 0;
}

.card__meta-right {
    text-align: right;
}

.card__percentage {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-mono);
}

.card__percentage--success { color: var(--color-success); }
.card__percentage--warning { color: var(--color-warning); }
.card__percentage--error { color: var(--color-error); }

/* Card Grid List View */
.card-grid--list .card {
    flex-direction: row;
    align-items: stretch;
}

.card-grid--list .card__image {
    width: 200px;
    min-height: 120px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.card-grid--list .card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-grid--list .card__meta {
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-5);
}

/* === EMPTY STATE === */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-10) var(--space-6);
    text-align: center;
    min-height: 400px;
}

.empty-state__icon {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-5);
}

.empty-state__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.empty-state__message {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 400px;
    line-height: var(--line-height-relaxed);
}

/* === BREADCRUMB === */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-lg);
}

.breadcrumb__nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb__link {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    position: relative;
}

.breadcrumb__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.2s ease;
}

.breadcrumb__link:hover::after {
    width: 100%;
}

.breadcrumb__separator {
    color: var(--color-text-muted);
}

.breadcrumb__current {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

/* === PROJECT HEADER === */
.project-header {
    display: flex;
    align-items: stretch;
    margin-bottom: var(--space-6);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.project-header:hover {
    box-shadow: var(--shadow-md);
}

.project-header__image {
    min-width: 300px;
    min-height: 150px;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-secondary);
    flex-shrink: 0;
}

.project-header__info {
    flex: 1;
    display: flex;
    align-items: center;
    padding: var(--space-5) var(--space-5) var(--space-5) 0;
}

/* === PROJECT KPI === */
.project-kpi {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-left: 1px solid var(--color-border-light);
}

.project-kpi:first-child {
    border-left: none;
}

.project-kpi__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-mono);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
}

.project-kpi__label {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-top: var(--space-1);
}

/* === DONUT CHART === */
.donut-chart-wrapper {
    position: relative;
    display: inline-block;
}

.donut-chart {
    transform: rotate(-90deg);
}

.donut-chart__background {
    fill: none;
    stroke: var(--color-border-light);
    stroke-width: 6;
}

.donut-chart__progress {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

.donut-chart__progress--success { stroke: var(--color-success); }
.donut-chart__progress--warning { stroke: var(--color-warning); }
.donut-chart__progress--error { stroke: var(--color-error); }

.donut-chart__value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.donut-chart__percentage {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-mono);
    color: var(--color-text-primary);
    line-height: 1;
}

/* === TABS CARD CONTAINER === */
.tabs-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

/* === TABS === */
.tabs {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: nowrap;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--space-4);
}

.tabs--with-actions {
    min-height: 52px;
}

.tabs__list {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-6);
    list-style: none;
}

.tabs__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
}

.tabs__tab {
    display: block;
    padding-bottom: var(--space-3);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: color var(--duration-normal) ease, border-color var(--duration-normal) ease;
}

.tabs__tab:hover {
    color: var(--color-text-primary);
}

.tabs__tab--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Tab Pane (unified) */
.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane--active {
    display: block;
}

/* === TABLE ACTIONS === */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    margin-bottom: var(--space-3);
    gap: var(--space-4);
}

.table-actions__left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.table-actions__right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.table-actions__selected {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* === CHECKBOX === */
.checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox__mark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    background: var(--color-bg-primary);
    transition: all var(--duration-normal) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox__mark::after {
    content: '';
    display: none;
    width: 5px;
    height: 9px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.checkbox input:checked ~ .checkbox__mark {
    background: var(--color-night-rider);
    border-color: var(--color-night-rider);
}

.checkbox input:checked ~ .checkbox__mark::after {
    display: block;
}

.checkbox input:indeterminate ~ .checkbox__mark {
    background: var(--color-night-rider);
    border-color: var(--color-night-rider);
}

.checkbox input:indeterminate ~ .checkbox__mark::after {
    display: block;
    width: 8px;
    height: 0;
    border-width: 0 0 2px 0;
    transform: none;
    margin-bottom: 0;
}

.checkbox:hover .checkbox__mark {
    border-color: var(--color-coal);
}

.checkbox input:focus-visible ~ .checkbox__mark {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* === TABLE === */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-primary);
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.table td {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.table tbody tr {
    cursor: pointer;
    transition: background 0.15s ease;
}

.table tbody tr:hover {
    background: var(--color-primary-light);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table--compact td {
    font-size: var(--font-size-sm);
}

.table--no-borders th,
.table--no-borders td {
    border: none;
}

.table--compact.table--no-borders td {
    padding: var(--space-1) var(--space-2);
}

.table--selectable tbody tr {
    transition: background var(--duration-normal) ease;
}

.table--selectable tbody tr.is-selected {
    background: var(--color-primary-light);
}

.table--selectable tbody tr.is-selected:hover {
    background: var(--color-primary-light);
}

.table__checkbox-col {
    width: 48px;
    text-align: center;
    padding-left: var(--space-3) !important;
    padding-right: var(--space-2) !important;
}

.table__checkbox-col .checkbox {
    vertical-align: middle;
}

.table__status-col {
    width: 48px;
    text-align: center;
}

.table__abbr {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    width: 80px;
}

.table__value {
    width: 100px;
    white-space: nowrap;
}

.table__percent {
    width: 60px;
    white-space: nowrap;
}

.table-wrapper {
    overflow-x: hidden;
}

/* === BADGES === */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: 2px;
}

.badge--info {
    background: var(--color-info-light);
    color: var(--color-info);
}

.badge--secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
}

.badge--muted {
    background: var(--color-gainsboro);
    color: var(--color-text-muted);
}

/* === STEPPER === */
.stepper {
    margin: var(--space-8) 0 var(--space-6) 0;
}

.stepper__list {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    list-style: none;
}

.stepper__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    animation: fadeInUp 0.5s ease backwards;
}

.stepper__item:nth-child(1) { animation-delay: 0.1s; }
.stepper__item:nth-child(2) { animation-delay: 0.2s; }
.stepper__item:nth-child(3) { animation-delay: 0.3s; }
.stepper__item:nth-child(4) { animation-delay: 0.4s; }

.stepper__item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: calc(50% + 24px);
    width: calc(100% - 48px);
    height: 4px;
    background: var(--color-border);
}

.stepper__item--complete:not(:last-child)::after {
    background: var(--color-success);
}

.stepper__indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-border-light);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
    transition: transform 0.2s ease;
}

.stepper__item:hover .stepper__indicator {
    transform: scale(1.1);
}

.stepper__item:active .stepper__indicator {
    transform: scale(0.95);
}

.stepper__item--complete .stepper__indicator {
    background: var(--color-success);
    color: var(--color-white);
}

.stepper__item--current .stepper__indicator {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.stepper__label {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 140px;
    transition: color 0.2s ease;
}

.stepper__item:hover .stepper__label {
    color: var(--color-primary);
}

.stepper__item--current .stepper__label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.stepper__item--complete .stepper__label {
    color: var(--color-success);
}

.stepper__item--complete:hover .stepper__label {
    color: var(--color-success);
}

/* === FIREWORK === */
.firework {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: var(--space-4);
}

.firework__spark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: firework-explode 1.8s ease-out infinite;
}

.firework__spark--delay-1 { animation-delay: 0.6s; }
.firework__spark--delay-2 { animation-delay: 1.2s; }

.firework__spark::before,
.firework__spark::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    top: 50%;
    left: 50%;
}

.firework__spark::before {
    animation: firework-sparks-1 1.8s ease-out infinite;
    animation-delay: inherit;
}

.firework__spark::after {
    animation: firework-sparks-2 1.8s ease-out infinite;
    animation-delay: inherit;
}

/* === METRICS === */
.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.metric-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    text-align: center;
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) backwards;
}

.metric-card:nth-child(1) { animation-delay: 0.1s; }
.metric-card:nth-child(2) { animation-delay: 0.2s; }
.metric-card:nth-child(3) { animation-delay: 0.3s; }
.metric-card:nth-child(4) { animation-delay: 0.4s; }

.metric-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-mono);
    color: var(--color-text-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.metric-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.metric-card--error .metric-card__value { color: var(--color-error); }
.metric-card--warning .metric-card__value { color: var(--color-warning); }
.metric-card--success .metric-card__value { color: var(--color-success); }

/* === SPLIT VIEW === */
.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.tabs-card > .split-view:last-child {
    margin-bottom: 0;
}

.split-view__left,
.split-view__right {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
}

.split-view__left {
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 600px;
}

/* === FLOORPLAN === */
.floorplan {
    position: relative;
    width: 100%;
    height: 600px;
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.floorplan--speckle {
    border: none;
}

.floorplan__room {
    transition: all 0.2s ease;
}

.floorplan__room:hover {
    fill-opacity: 0.8;
    stroke-width: 3;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.floorplan__room--selected {
    fill: var(--color-room-selected) !important;
    stroke: var(--color-primary) !important;
    stroke-width: 3 !important;
    filter: drop-shadow(0 0 8px rgba(0, 102, 153, 0.6));
}

/* === SPECKLE VIEWER === */
.speckle-viewer__iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.speckle-viewer__loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    pointer-events: none;
    transition: opacity var(--duration-normal) ease;
}

.speckle-viewer__loading.is-hidden {
    opacity: 0;
}

.speckle-viewer__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* === ERROR LIST === */
.error-list {
    padding: 0;
}

.error-item {
    padding: var(--space-3);
    border-left: 3px solid;
    margin-bottom: var(--space-3);
    background: var(--color-bg-secondary);
    animation: slideInLeft 0.3s ease;
}

.error-item--error {
    border-left-color: var(--color-error);
    background: var(--color-error-light);
}

.error-item--warning {
    border-left-color: var(--color-warning);
    background: var(--color-warning-light);
}

.error-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.error-item__code {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.error-item__severity {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.error-item__severity--error { background: var(--color-error); }
.error-item__severity--warning { background: var(--color-warning); }

.error-item__message {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* === WORKFLOW ACTIONS === */
.workflow-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

/* === RESULTS === */
.results__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.results__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    padding-top: var(--space-4);
}

.results__tables,
.results__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.results__section {
    background: var(--color-bg-primary);
    animation: fadeInUp 0.5s ease backwards;
}

.results__section:nth-child(1) { animation-delay: 0.1s; }
.results__section:nth-child(2) { animation-delay: 0.2s; }
.results__section:nth-child(3) { animation-delay: 0.3s; }
.results__section:nth-child(4) { animation-delay: 0.4s; }

.results__section-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.results__donut {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.results__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

/* === DONUT MULTI === */
.donut-multi {
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

/* === DONUT LEGEND === */
.donut-legend {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.donut-legend__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.donut-legend__color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.donut-legend__label {
    font-weight: var(--font-weight-medium);
    min-width: 35px;
}

.donut-legend__value {
    color: var(--color-text-secondary);
}

/* === PIE CHART === */
.pie-chart {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    margin: var(--space-5) 0;
}

.pie-chart__svg {
    flex-shrink: 0;
}

.pie-chart__legend {
    flex: 1;
}

.pie-chart__legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.pie-chart__legend-color {
    width: 16px;
    height: 16px;
    border-radius: 2px;
}

/* === UPLOAD === */
.upload {
    margin: var(--space-6) 0;
}

.upload__zone {
    border: 2px dashed var(--color-border-light);
    background: var(--color-bg-secondary);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.upload__zone:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.upload__zone svg {
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.upload__zone p {
    margin: var(--space-2) 0;
}

.upload__file {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-success-light);
    border-left: 4px solid var(--color-success);
}

/* === STEP === */
.step__content,
.step__detail-content {
    animation: fadeIn 0.3s ease;
}

/* === TOAST === */
.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: var(--color-night-rider);
    color: var(--color-white);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast--success { background: var(--color-success); }
.toast--error { background: var(--color-error); }

/* === FOOTER === */
.footer {
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    margin-top: auto;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer__links {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer__version {
    color: var(--color-text-muted);
}

.footer__link {
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__separator {
    color: var(--color-border);
}

/* === ICONS === */
.icon {
    display: inline-block;
    vertical-align: middle;
    width: var(--icon-size-md);
    height: var(--icon-size-md);
    stroke-width: 2;
}

.icon-sm { width: var(--icon-size-sm); height: var(--icon-size-sm); }
.icon-md { width: var(--icon-size-md); height: var(--icon-size-md); }

/* === STATUS PILL === */
.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
}

.status-pill .icon {
    width: 14px;
    height: 14px;
    stroke-width: 3;
}

.status-pill--success { background: var(--color-success); color: var(--color-white); }
.status-pill--warning { background: var(--color-warning); color: var(--color-white); }
.status-pill--error { background: var(--color-error); color: var(--color-white); }

/* === UTILITIES === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-night-rider);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}

/* Focus Indicators */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* === ANIMATIONS === */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes firework-explode {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
        background: #FFD700;
        box-shadow: 0 0 10px #FFD700;
    }
    20% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        background: #FFD700;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0;
        background: transparent;
    }
}

@keyframes firework-sparks-1 {
    0% {
        transform: translate(-50%, -50%);
        opacity: 0;
        box-shadow:
            0 0 var(--color-venetian-red),
            0 0 #FFD700,
            0 0 var(--color-primary),
            0 0 #32CD32,
            0 0 #FF6B6B,
            0 0 #4ECDC4,
            0 0 #9B59B6,
            0 0 #F39C12;
    }
    20% { opacity: 1; }
    100% {
        transform: translate(-50%, -50%);
        opacity: 0;
        box-shadow:
            -40px -40px var(--color-venetian-red),
            40px -40px #FFD700,
            -40px 40px var(--color-primary),
            40px 40px #32CD32,
            -55px 0 #FF6B6B,
            55px 0 #4ECDC4,
            0 -55px #9B59B6,
            0 55px #F39C12;
    }
}

@keyframes firework-sparks-2 {
    0% {
        transform: translate(-50%, -50%) rotate(45deg);
        opacity: 0;
        box-shadow:
            0 0 #FF6B6B,
            0 0 #4ECDC4,
            0 0 #9B59B6,
            0 0 #F39C12;
    }
    20% { opacity: 1; }
    100% {
        transform: translate(-50%, -50%) rotate(45deg);
        opacity: 0;
        box-shadow:
            -35px -35px #FF6B6B,
            35px -35px #4ECDC4,
            -35px 35px #9B59B6,
            35px 35px #F39C12;
    }
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .results__layout {
        grid-template-columns: 1fr;
    }

    .results__sidebar {
        order: -1;
    }

    .results__donut {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .split-view {
        grid-template-columns: 1fr;
    }

    .stepper__list {
        flex-direction: column;
        gap: var(--space-4);
    }

    .stepper__item:not(:last-child)::after {
        display: none;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .project-header {
        flex-direction: column;
    }

    .project-header__image {
        width: 100%;
    }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === MODAL === */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal[hidden] {
    display: none;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--overlay-light);
    animation: fadeIn 0.2s ease;
}

.modal__content {
    position: relative;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    max-height: calc(100vh - var(--space-8));
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}

.modal__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--duration-normal) ease, background var(--duration-normal) ease;
}

.modal__close:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.modal__body {
    padding: var(--space-5);
    overflow-y: auto;
    flex: 1;
}

.modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-secondary);
}

/* === FORM ENHANCEMENTS === */
.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-8);
    cursor: pointer;
}

.form__file-upload {
    position: relative;
    border: 2px dashed var(--color-border);
    background: var(--color-bg-secondary);
    transition: all 0.2s ease;
    cursor: pointer;
}

.form__file-upload:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.form__file-upload.is-dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.form__file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

.form__file-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-6);
    color: var(--color-text-muted);
    text-align: center;
    font-size: var(--font-size-sm);
}

.form__file-preview {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.form__file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form__file-remove {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-error);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    transition: background var(--duration-normal) ease, transform var(--duration-normal) ease;
}

.form__file-remove:hover {
    transform: scale(1.1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === PRINT === */
@media print {
    .header,
    .breadcrumb,
    .btn,
    .floorplan-controls {
        display: none;
    }

    .view--active {
        display: block !important;
    }

    body {
        background: white;
    }
}