/* ============================================================
   Observatory Page — Styles spécifiques
   Cohérent avec main.css + components.css (réutilise leurs
   variables : --primary-blue, --success-green, --danger-red…)
   ============================================================ */

/* ── Wrapper & espacement inter-sections ──────────────────── */
.obs-page {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Section 1 : 4 metric cards en ligne ─────────────────── */
.obs-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

/* Delta affiché sous le label dans chaque card */
.obs-card-delta {
    font-size: 0.72rem;
    margin-top: 0.35rem;
    opacity: 0.85;
    font-weight: 500;
}

/* Couleurs fléchées — version fond clair (tableau, gauge…) */
.obs-delta-up      { color: var(--success-green); }
.obs-delta-down    { color: var(--danger-red); }
.obs-delta-neutral { color: var(--gray-400); }

/* Couleurs fléchées — version fond sombre (stat-card gradient) */
.stat-card .obs-card-delta           { color: rgba(255,255,255,0.80); }
.stat-card .obs-card-delta.obs-delta-up   { color: rgba(167,243,208,0.95); }
.stat-card .obs-card-delta.obs-delta-down { color: rgba(252,165,165,0.95); }


/* ── Section 2 : Deux graphiques côte à côte ─────────────── */
.obs-charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.obs-chart-card {
    /* hérite du padding de .card */
}

.obs-chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 1rem 0;
}

/* Canvas wrapper : hauteur fixe, responsive en largeur */
.obs-chart-wrap {
    height: 240px;
    position: relative;
}

.obs-donut-wrap {
    height: 190px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.obs-no-data {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-align: center;
}

/* Légende score distribution */
.obs-chart-legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--gray-600);
}

.obs-legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.obs-legend-label {
    margin-right: 0.5rem;
}

/* Légende signaux donut */
.obs-signal-legend {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 1rem;
}

.obs-sig-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.obs-sig-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.obs-sig-buy  .obs-sig-dot { background: #059669; }
.obs-sig-hold .obs-sig-dot { background: #f59e0b; }
.obs-sig-sell .obs-sig-dot { background: #dc2626; }


/* ── Section 3 : Indice Empiric ───────────────────────────── */
.obs-empiric-row {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
    align-items: start;
}

/* Colonne gauche : jauge */
.obs-empiric-gauge-col {
    display: flex;
    flex-direction: column;
}

.obs-gauge-wrap {
    position: relative;
    height: 145px;
}

/* Overlay centré dans la jauge (valeur + delta) */
.obs-gauge-center {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    pointer-events: none;
    white-space: nowrap;
}

.obs-gauge-value {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1;
}

.obs-gauge-sub {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.1rem;
}

.obs-gauge-delta {
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.2rem;
}

/* Colonne droite : courbe */
.obs-empiric-chart-col {
    display: flex;
    flex-direction: column;
}

.obs-line-wrap {
    height: 200px;
    position: relative;
}

.obs-formula {
    font-size: 0.72rem;
    color: var(--gray-400);
    margin-top: 0.6rem;
    font-style: italic;
    line-height: 1.5;
}


/* ── Section 4 : Tableau sectoriel ───────────────────────── */
.obs-sector-section h3 {
    margin-bottom: 1rem;
}

.obs-sort-hint {
    font-size: 0.75rem;
    color: var(--gray-400);
    font-weight: 400;
    font-style: italic;
}

.obs-sortable-th {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
}

.obs-sortable-th:hover {
    background: var(--gray-100);
    color: var(--primary-blue);
}

.obs-th-active {
    color: var(--primary-blue);
}

/* Colorisation légère des lignes selon tendance */
.obs-row-hausse td { background: rgba(5, 150, 105, 0.045); }
.obs-row-baisse td { background: rgba(220, 38,  38, 0.045); }

.obs-n1-text {
    font-size: 0.75rem;
    color: var(--gray-400);
}


/* ── Section 5 : Heatmap saisonnalité ────────────────────── */
.obs-heatmap-section h3 {
    margin-bottom: 0.75rem;
}

/* Grille 13 colonnes : 1 label année + 12 mois */
.obs-hm-wrap {
    display: grid;
    grid-template-columns: 48px repeat(12, 1fr);
    gap: 3px;
}

.obs-hm-corner { /* cellule vide en haut à gauche */ }

.obs-hm-month-label {
    text-align: center;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--gray-500);
    padding-bottom: 4px;
}

.obs-hm-year-label {
    display: flex;
    align-items: center;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--gray-600);
}

.obs-hm-cell {
    aspect-ratio: 1.4;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.63rem;
    font-weight: 600;
    cursor: default;
    transition: transform 0.12s;
}

.obs-hm-cell:hover {
    transform: scale(1.15);
    z-index: 1;
    position: relative;
}

.obs-hm-empty {
    background: #f3f4f6;
}

.obs-hm-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.85rem;
    margin-top: 0.75rem;
    font-size: 0.74rem;
    color: var(--gray-600);
}

.obs-hm-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 2px;
}

.obs-hm-leg-label {
    vertical-align: middle;
}

.obs-hm-summary {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 0.75rem;
    line-height: 1.6;
}


/* ── Section 6 : Trajectoires ────────────────────────────── */
.obs-trajectory-section h3 {
    margin-bottom: 1rem;
}

.obs-trajectory-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

.obs-traj-donut-col {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.obs-traj-legend {
    width: 100%;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.obs-traj-leg-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--gray-700);
}

.obs-traj-dot {
    display: inline-block;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}

.obs-traj-tables-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.obs-traj-mini {
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 0.7rem 0.85rem;
}

.obs-traj-mini-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.obs-traj-count {
    margin-left: auto;
    font-size: 0.74rem;
    color: var(--gray-500);
    font-weight: 400;
}

.obs-traj-company {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.28rem 0;
    border-top: 1px solid var(--gray-100);
}

.obs-traj-info {
    flex: 1;
    min-width: 0;
}

.obs-traj-name {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.obs-traj-sector {
    font-size: 0.7rem;
    color: var(--gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.obs-traj-badges {
    display: flex;
    gap: 2px;
    margin-left: 0.75rem;
    flex-shrink: 0;
}

.obs-signal-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    font-size: 0.63rem;
    font-weight: 700;
    color: #fff;
}

.obs-badge-buy  { background: #059669; }
.obs-badge-hold { background: #f59e0b; }
.obs-badge-sell { background: #dc2626; }

.obs-traj-no-data {
    font-size: 0.8rem;
    color: var(--gray-400);
    text-align: center;
    padding: 0.5rem 0;
}


/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
    .obs-empiric-row {
        grid-template-columns: 220px 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 1100px) {
    .obs-trajectory-row {
        grid-template-columns: 240px 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 860px) {
    .obs-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .obs-charts-row {
        grid-template-columns: 1fr;
    }

    .obs-empiric-row {
        grid-template-columns: 1fr;
    }

    .obs-empiric-gauge-col {
        align-items: center;
    }

    .obs-gauge-wrap {
        width: 260px;
    }

    .obs-trajectory-row {
        grid-template-columns: 1fr;
    }

    .obs-traj-donut-col {
        flex-direction: row;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .obs-hm-wrap {
        grid-template-columns: 36px repeat(12, 1fr);
    }

    .obs-hm-month-label,
    .obs-hm-cell span {
        font-size: 0.58rem;
    }
}