:root {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", sans-serif;
    color-scheme: light dark;
}

html[data-effective-theme="light"] {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-2: #f8fafb;
    --text: #182027;
    --muted: #65717c;
    --border: #dde3e8;
    --accent: #375f6b;
    --accent-hover: #2f525c;
    --accent-text: #ffffff;
    --danger: #a43e3e;
    --danger-bg: #fff0f0;
    --success: #347153;
    --success-bg: #edf8f1;
    --warning: #8a661f;
    --warning-bg: #fff7e4;
}

html[data-effective-theme="dark"] {
    --bg: #11161a;
    --surface: #181e23;
    --surface-2: #20272d;
    --text: #edf1f3;
    --muted: #9da8b0;
    --border: #303940;
    --accent: #79a8b3;
    --accent-hover: #8eb8c1;
    --accent-text: #0f181b;
    --danger: #e08b8b;
    --danger-bg: #301c1e;
    --success: #79b995;
    --success-bg: #182a21;
    --warning: #dbb86a;
    --warning-bg: #2d281b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
}

a { color: inherit; text-decoration: none; }

button, input { font: inherit; }

.topbar {
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.brand, .top-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand { font-weight: 700; }

.brand-mark {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: var(--accent);
    color: var(--accent-text);
    font-size: 13px;
    letter-spacing: .04em;
}

.top-actions form { margin: 0; }

.account-name {
    color: var(--muted);
    font-size: 14px;
}

.page {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 56px 0 80px;
}

.hero {
    display: flex;
    justify-content: space-between;
    margin-bottom: 36px;
}

h1 {
    margin: 6px 0 8px;
    font-size: clamp(32px, 5vw, 46px);
    line-height: 1.05;
    letter-spacing: -.035em;
}

h2 {
    margin: 8px 0;
    font-size: 22px;
    letter-spacing: -.02em;
}

.eyebrow, .card-kicker {
    color: var(--accent);
    font-size: 12px;
    font-weight: 750;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.muted, .action-card p {
    color: var(--muted);
    line-height: 1.55;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.action-card, .panel, .auth-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.action-card {
    padding: 26px;
}

.action-card p {
    min-height: 50px;
}

.primary-button, .secondary-button, .link-button, .theme-button {
    border-radius: 9px;
    cursor: pointer;
}

.primary-button {
    border: 0;
    padding: 11px 16px;
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 700;
}

.primary-button:hover { background: var(--accent-hover); }

.secondary-button, .link-button, .theme-button {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    padding: 9px 12px;
}

button:disabled {
    opacity: .45;
    cursor: default;
}

.auth-shell {
    min-height: calc(100vh - 190px);
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(430px, 100%);
    padding: 34px;
}

.auth-card h1 {
    font-size: 38px;
}

.form-stack {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}

label {
    display: grid;
    gap: 7px;
    font-size: 14px;
    font-weight: 650;
}

input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 12px 13px;
    background: var(--surface-2);
    color: var(--text);
    outline: none;
}

input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 17%, transparent);
}

.content-narrow {
    width: min(620px, 100%);
    margin: 0 auto;
}

.section-heading { margin-bottom: 24px; }

.panel { padding: 28px; }

.alert {
    padding: 12px 14px;
    margin-bottom: 18px;
    border-radius: 9px;
    font-size: 14px;
}

.alert.error {
    color: var(--danger);
    background: var(--danger-bg);
}

.alert.success {
    color: var(--success);
    background: var(--success-bg);
}

.alert.warning {
    color: var(--warning);
    background: var(--warning-bg);
}

@media (max-width: 720px) {
    .topbar { padding: 0 16px; }
    .account-name { display: none; }

    .page {
        width: min(100% - 28px, 1180px);
        padding-top: 36px;
    }

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

    .top-actions { gap: 6px; }
    .link-button, .theme-button { padding: 8px 9px; }

    .brand > span:last-child { display: none; }
}

.content-wide {
    width: min(900px, 100%);
    margin: 0 auto;
}

.form-section {
    margin-bottom: 20px;
}

.form-section-title {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 26px;
}

.form-section-title h2 {
    margin: 0 0 3px;
}

.form-section-title p {
    margin: 0;
}

.step-number {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: var(--surface-2);
    color: var(--accent);
    font-weight: 800;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.span-2 {
    grid-column: span 2;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

textarea {
    width: 100%;
    resize: vertical;
    min-height: 92px;
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 12px 13px;
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    outline: none;
}

textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 17%, transparent);
}

.effect-category {
    margin: 28px 0 10px;
    font-size: 13px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .075em;
}

.effects-list {
    border-top: 1px solid var(--border);
}

.effect-row {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--border);
}

.availability-label {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.quantity-input {
    width: 82px;
    text-align: center;
}

.effect-unavailable {
    opacity: .5;
}

.submit-bar {
    position: sticky;
    bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px;
    margin-top: 24px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(12px);
}

.inline-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 720px) {
    .form-grid,
    .dates-grid {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: span 1;
    }

    .effect-row {
        min-height: 76px;
    }

    .panel {
        padding: 22px 18px;
    }
}

.list-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}

.reservation-list {
    display: grid;
    gap: 12px;
}

.reservation-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 20px 22px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.reservation-card h2 {
    margin: 5px 0 7px;
    font-size: 18px;
}

.reservation-reference {
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .04em;
}

.reservation-meta,
.reservation-period {
    display: flex;
    gap: 7px;
    color: var(--muted);
    font-size: 13px;
}

.reservation-period {
    margin-top: 6px;
}

.reservation-topline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.entity-badge {
    padding: 3px 7px;
    border-radius: 6px;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
}

.status {
    flex: 0 0 auto;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 750;
}

.status-pending {
    color: var(--warning);
    background: var(--warning-bg);
}

.status-approved,
.status-returned {
    color: var(--success);
    background: var(--success-bg);
}

.status-rejected,
.status-cancelled {
    color: var(--danger);
    background: var(--danger-bg);
}

.status-issued {
    color: var(--accent);
    background: var(--surface-2);
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
}

@media (max-width: 720px) {
    .list-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .reservation-card {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .reservation-meta {
        flex-wrap: wrap;
    }
}

.dashboard-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.stat-card {
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.stat-card strong {
    display: block;
    margin-top: 5px;
    font-size: 28px;
    letter-spacing: -.04em;
}

.stat-danger strong {
    color: var(--danger);
}

.admin-layout {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(290px, .8fr);
    gap: 20px;
    align-items: start;
}

.calendar-panel {
    min-width: 0;
}

.panel-heading {
    margin-bottom: 20px;
}

.panel-heading h2 {
    margin: 0;
}

.panel-heading p {
    margin: 4px 0 0;
}

.admin-side {
    display: grid;
    gap: 20px;
}

.pending-list {
    display: grid;
}

.pending-item {
    display: grid;
    gap: 5px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.pending-item:last-child {
    border-bottom: 0;
}

.pending-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.pending-date {
    color: var(--muted);
    font-size: 12px;
}

.detail-stack {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.detail-stack div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 9px;
}

.detail-stack span {
    color: var(--muted);
    font-size: 13px;
}

.detail-stack strong {
    text-align: right;
    font-size: 13px;
}

/* FullCalendar */

.fc {
    --fc-border-color: var(--border);
    --fc-page-bg-color: var(--surface);
    --fc-neutral-bg-color: var(--surface-2);
    --fc-list-event-hover-bg-color: var(--surface-2);
    --fc-today-bg-color: color-mix(in srgb, var(--accent) 9%, transparent);
    color: var(--text);
}

.fc .fc-toolbar-title {
    font-size: 19px;
    font-weight: 750;
}

.fc .fc-button-primary {
    border-color: var(--border);
    background: var(--surface-2);
    color: var(--text);
}

.fc .fc-button-primary:hover,
.fc .fc-button-primary:not(:disabled).fc-button-active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-text);
}

.fc-event {
    cursor: pointer;
    border: 0 !important;
    border-radius: 5px !important;
    padding: 1px 3px;
}

.cal-pending {
    background: var(--warning-bg) !important;
    color: var(--warning) !important;
}

.cal-approved,
.cal-returned {
    background: var(--success-bg) !important;
    color: var(--success) !important;
}

.cal-issued {
    background: color-mix(in srgb, var(--accent) 15%, var(--surface)) !important;
    color: var(--accent) !important;
}

@media (max-width: 980px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-heading {
        align-items: stretch;
        flex-direction: column;
    }
}

.theme-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    padding: 0;
    font-size: 19px;
    line-height: 1;
}

.theme-sun,
.theme-moon {
    grid-area: 1 / 1;
}

html[data-effective-theme="light"] .theme-sun {
    display: none;
}

html[data-effective-theme="dark"] .theme-moon {
    display: none;
}

.account-chip {
    min-height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
    transition:
        border-color .15s ease,
        background .15s ease;
}

.account-chip:hover {
    border-color: var(--accent);
    background: var(--surface-2);
}

.account-chip strong {
    font-size: 13px;
    line-height: 1.15;
}

.account-label {
    color: var(--muted);
    font-size: 10px;
    line-height: 1.1;
    margin-bottom: 2px;
}

@media (max-width: 720px) {
    .account-chip {
        padding: 5px 9px;
    }

    .account-label {
        display: none;
    }

    .account-chip strong {
        font-size: 12px;
    }
}


/* clickable admin dashboard */

.stat-card {
    display: block;
    transition:
        transform .15s ease,
        border-color .15s ease,
        background .15s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    background: var(--surface-2);
}

.panel-heading-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 9px;
}

.panel-heading-link:hover h2,
.panel-heading-link:hover .panel-arrow {
    color: var(--accent);
}

.panel-arrow {
    color: var(--muted);
    font-size: 20px;
}

.filter-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.filter-tabs a {
    flex: 0 0 auto;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 650;
}

.filter-tabs a:hover {
    color: var(--text);
    background: var(--surface-2);
}

.filter-tabs a.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-text);
}

.pending-link {
    margin: 0 -10px;
    padding-left: 10px;
    padding-right: 10px;
    border-radius: 9px;
    transition:
        background .15s ease,
        transform .15s ease;
}

.pending-link:hover {
    background: var(--surface-2);
    transform: translateX(2px);
}

.detail-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.reservation-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    gap: 20px;
}

.detail-reason {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.detail-reason > span {
    color: var(--muted);
    font-size: 13px;
}

.detail-reason p {
    margin: 8px 0 0;
    line-height: 1.6;
}

.requested-items {
    display: grid;
}

.requested-item {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.requested-item:last-child {
    border-bottom: 0;
}

.detail-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

@media (max-width: 760px) {
    .detail-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .reservation-detail-grid {
        grid-template-columns: 1fr;
    }
}

.decision-panel {
    margin-top: 20px;
}

.decision-actions {
    display: grid;
    gap: 18px;
    margin-top: 22px;
}

.decision-actions form {
    margin: 0;
}

.reject-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: end;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.danger-button {
    border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--border));
    border-radius: 9px;
    padding: 11px 16px;
    background: var(--danger-bg);
    color: var(--danger);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.danger-button:hover {
    border-color: var(--danger);
}

@media (max-width: 720px) {
    .reject-form {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Palette V2 - contrastes renforcés
   ============================================================ */

html[data-effective-theme="light"] {
    --bg: #f2f5f7;
    --surface: #ffffff;
    --surface-2: #f5f8f9;

    --text: #172126;
    --muted: #66757d;
    --border: #d7e0e4;

    --accent: #2f7580;
    --accent-hover: #286771;
    --accent-text: #ffffff;

    --success: #17663b;
    --success-bg: #dff2e6;

    --warning: #8a5a08;
    --warning-bg: #fff0c9;

    --danger: #a93232;
    --danger-bg: #fde1e1;

    --info: #245f8f;
    --info-bg: #dfeefa;

    --cal-approved-bg: #ccebd8;
    --cal-approved-text: #14552f;

    --cal-pending-bg: #ffe4a3;
    --cal-pending-text: #704600;

    --cal-issued-bg: #d2e8f7;
    --cal-issued-text: #194f76;
}

html[data-effective-theme="dark"] {
    --bg: #0f1418;
    --surface: #171d22;
    --surface-2: #20282e;

    --text: #edf3f5;
    --muted: #9caab1;
    --border: #303b42;

    --accent: #71b6c0;
    --accent-hover: #88c7d0;
    --accent-text: #0d191c;

    --success: #8de0ad;
    --success-bg: #1c3a29;

    --warning: #f1c56b;
    --warning-bg: #3b3018;

    --danger: #f09b9b;
    --danger-bg: #3b2023;

    --info: #8ac5ef;
    --info-bg: #1d3445;

    --cal-approved-bg: #285b3d;
    --cal-approved-text: #d8f7e4;

    --cal-pending-bg: #624b18;
    --cal-pending-text: #ffe6a3;

    --cal-issued-bg: #244d69;
    --cal-issued-text: #d8efff;
}


/* Fond légèrement plus vivant */

body {
    background:
        radial-gradient(
            circle at top right,
            color-mix(in srgb, var(--accent) 7%, transparent),
            transparent 34rem
        ),
        var(--bg);
}


/* Barre supérieure */

.topbar {
    background:
        color-mix(in srgb, var(--surface) 92%, transparent);
    backdrop-filter: blur(12px);
}

.brand-mark {
    box-shadow:
        0 5px 18px
        color-mix(in srgb, var(--accent) 22%, transparent);
}


/* Cartes */

.action-card,
.panel,
.auth-card,
.reservation-card,
.stat-card {
    box-shadow:
        0 1px 2px rgba(0, 0, 0, .03),
        0 8px 28px rgba(0, 0, 0, .035);
}

html[data-effective-theme="dark"] .action-card,
html[data-effective-theme="dark"] .panel,
html[data-effective-theme="dark"] .auth-card,
html[data-effective-theme="dark"] .reservation-card,
html[data-effective-theme="dark"] .stat-card {
    box-shadow:
        0 1px 2px rgba(0, 0, 0, .16),
        0 10px 32px rgba(0, 0, 0, .10);
}


/* Tuiles dashboard */

.stat-card strong {
    color: var(--accent);
}

.stat-card:hover {
    background:
        color-mix(in srgb, var(--accent) 7%, var(--surface));
}

.stat-danger strong {
    color: var(--danger);
}


/* Badges */

.status-pending {
    color: var(--warning);
    background: var(--warning-bg);
    border: 1px solid
        color-mix(in srgb, var(--warning) 25%, transparent);
}

.status-approved,
.status-returned {
    color: var(--success);
    background: var(--success-bg);
    border: 1px solid
        color-mix(in srgb, var(--success) 25%, transparent);
}

.status-issued {
    color: var(--info);
    background: var(--info-bg);
    border: 1px solid
        color-mix(in srgb, var(--info) 25%, transparent);
}

.status-rejected,
.status-cancelled {
    color: var(--danger);
    background: var(--danger-bg);
    border: 1px solid
        color-mix(in srgb, var(--danger) 25%, transparent);
}


/* FullCalendar : contrastes dédiés */

.cal-pending {
    background: var(--cal-pending-bg) !important;
    color: var(--cal-pending-text) !important;
    border-left: 3px solid var(--warning) !important;
}

.cal-approved,
.cal-returned {
    background: var(--cal-approved-bg) !important;
    color: var(--cal-approved-text) !important;
    border-left: 3px solid var(--success) !important;
}

.cal-issued {
    background: var(--cal-issued-bg) !important;
    color: var(--cal-issued-text) !important;
    border-left: 3px solid var(--info) !important;
}

.fc-event-main,
.fc-event-title,
.fc-event-time {
    color: inherit !important;
    font-weight: 650;
}


/* Boutons */

.primary-button {
    box-shadow:
        0 4px 14px
        color-mix(in srgb, var(--accent) 22%, transparent);
}

.primary-button:hover {
    transform: translateY(-1px);
}

.primary-button,
.secondary-button,
.link-button,
.theme-button,
.account-chip {
    transition:
        background .15s ease,
        border-color .15s ease,
        color .15s ease,
        transform .15s ease;
}


.reservation-card-link {
    transition:
        transform .15s ease,
        border-color .15s ease,
        background .15s ease;
}

.reservation-card-link:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    background: var(--surface-2);
}

.cancel-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: end;
    margin-top: 20px;
}

@media (max-width: 720px) {
    .cancel-form {
        grid-template-columns: 1fr;
    }
}