:root {
    --bg-0: #f5f7f3;
    --bg-1: #dde8d6;
    --ink-0: #11231a;
    --ink-1: #2f4c3d;
    --brand-blue: #1f63c6;
    --brand-blue-dark: #174e9e;
    --mint: #30b36f;
    --mint-dark: #1f8b55;
    --amber: #f2a63b;
    --rose: #e35d6a;
    --panel: rgba(255, 255, 255, 0.82);
    --border: rgba(17, 35, 26, 0.12);
    --shadow: 0 20px 35px rgba(17, 35, 26, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    color: var(--ink-0);
    font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
    background: radial-gradient(circle at 10% 10%, var(--bg-1), transparent 45%),
        radial-gradient(circle at 90% 30%, #d8f1df, transparent 38%),
        linear-gradient(120deg, #f0f4ec, #f8f9f6 45%, #eef5ee);
}

body {
    position: relative;
    overflow-x: hidden;
}

.bg-orb {
    position: fixed;
    z-index: -1;
    border-radius: 999px;
    filter: blur(2px);
    opacity: 0.35;
}

.orb-a {
    width: 460px;
    height: 460px;
    top: -170px;
    right: -130px;
    background: radial-gradient(circle, #9fe4be, #6cd69a);
    animation: floatA 10s ease-in-out infinite;
}

.orb-b {
    width: 330px;
    height: 330px;
    left: -120px;
    bottom: 8vh;
    background: radial-gradient(circle, #f8c278, #ec9f2f);
    animation: floatB 12s ease-in-out infinite;
}

@keyframes floatA {
    0%,
    100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(12px) translateX(-8px); }
}

@keyframes floatB {
    0%,
    100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-18px) translateX(10px); }
}

.topbar,
.page-wrap,
.footer {
    width: min(1180px, 92vw);
    margin-inline: auto;
}

.topbar {
    margin-top: 20px;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    backdrop-filter: blur(6px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

.brand > span:last-child {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    object-fit: contain;
    background: #ffffff;
    border: 1px solid rgba(17, 35, 26, 0.12);
    padding: 4px;
}

.brand-pill {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-grid;
    place-items: center;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #fff;
    background: linear-gradient(145deg, var(--mint), var(--mint-dark));
}

.brand small {
    color: var(--ink-1);
    font-size: 0.76rem;
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink-0);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.9rem;
    transition: transform 180ms ease, background-color 180ms ease;
}

.nav-links a:hover {
    background: rgba(48, 179, 111, 0.18);
    transform: translateY(-1px);
}

.danger-link:hover {
    background: rgba(227, 93, 106, 0.2) !important;
}

.page-wrap {
    padding-block: 20px 28px;
}

.hero,
.panel,
.kpi-card,
.trend-card,
.auth-card,
.user-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(6px);
}

.hero {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.hero p {
    margin: 0;
    color: var(--ink-1);
}

.kpi-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.kpi-card {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.kpi-card span,
.trend-card span {
    color: var(--ink-1);
    font-size: 0.9rem;
}

.kpi-card strong,
.trend-card strong {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
}

.panel {
    margin-top: 14px;
    padding: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.panel h1,
.panel h2 {
    margin: 0;
}

.select-modern,
input,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit;
    color: var(--ink-0);
    background: rgba(255, 255, 255, 0.93);
}

.chart-shell {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.9);
    padding: 10px;
}

#signal-chart {
    width: 100%;
    height: 320px;
    display: block;
}

.trend-grid {
    margin-top: 12px;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trend-card {
    padding: 14px;
}

.flash-stack {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
}

.flash {
    border-radius: 12px;
    padding: 10px 12px;
    border: 1px solid transparent;
}

.flash-success {
    background: rgba(48, 179, 111, 0.17);
    border-color: rgba(48, 179, 111, 0.3);
}

.flash-danger {
    background: rgba(227, 93, 106, 0.15);
    border-color: rgba(227, 93, 106, 0.3);
}

.flash-warning {
    background: rgba(242, 166, 59, 0.18);
    border-color: rgba(242, 166, 59, 0.35);
}

.flash-info {
    background: rgba(17, 35, 26, 0.08);
    border-color: rgba(17, 35, 26, 0.2);
}

.btn {
    display: inline-block;
    border: 0;
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 160ms ease, filter 160ms ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(0.98);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(145deg, var(--brand-blue), var(--brand-blue-dark));
}

.btn-secondary {
    color: #fff;
    background: linear-gradient(145deg, var(--brand-blue), var(--brand-blue-dark));
}

.btn-accent {
    color: #fff;
    background: linear-gradient(145deg, var(--brand-blue), var(--brand-blue-dark));
}

.btn-danger {
    color: #fff;
    background: linear-gradient(145deg, var(--brand-blue), var(--brand-blue-dark));
}

.form-grid {
    display: grid;
    gap: 12px;
}

.two-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid label {
    display: grid;
    gap: 6px;
    font-size: 0.92rem;
}

.form-grid label small {
    color: var(--ink-1);
    font-size: 0.78rem;
}

.checkbox-label {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.align-end {
    align-self: end;
}

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

.table-wrap {
    width: 100%;
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    text-align: left;
    border-bottom: 1px solid var(--border);
    padding: 10px 8px;
    vertical-align: top;
}

th {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-1);
}

.badge {
    display: inline-block;
    border-radius: 999px;
    font-size: 0.78rem;
    padding: 5px 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-succes {
    color: #11492f;
    background: rgba(48, 179, 111, 0.2);
}

.badge-erreur {
    color: #7d2330;
    background: rgba(227, 93, 106, 0.2);
}

.badge-en_cours {
    color: #69450f;
    background: rgba(242, 166, 59, 0.24);
}

.badge-admin {
    color: #11492f;
    background: rgba(48, 179, 111, 0.2);
}

.badge-user {
    color: #23413a;
    background: rgba(35, 65, 58, 0.12);
}

.station-logo {
    width: 46px;
    height: 46px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.logo-placeholder {
    font-size: 0.8rem;
    color: var(--ink-1);
}

.auth-layout {
    min-height: 66vh;
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(460px, 94vw);
    padding: 26px;
}

.auth-card h1 {
    margin: 0;
}

.auth-card p {
    color: var(--ink-1);
}

.admin-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr;
}

.station-access-box {
    margin: 0;
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 10px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px;
}

.user-stack {
    display: grid;
    gap: 10px;
}

.user-card {
    padding: 14px;
}

.user-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.user-head small {
    display: block;
    color: var(--ink-1);
}

.path-cell {
    word-break: break-all;
    max-width: 360px;
}

.action-stack {
    display: grid;
    gap: 8px;
}

.empty-note {
    color: var(--ink-1);
}

.error-panel {
    text-align: center;
}

.footer {
    border-top: 1px solid var(--border);
    padding: 14px 0 24px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--ink-1);
    font-size: 0.88rem;
}

@media (max-width: 980px) {
    .kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

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

    .hero {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .footer {
        flex-direction: column;
    }
}