/* =============================================================
   GéoSuite — Charte graphique
   ÉTUDE CHROMATIQUE / TYPOGRAPHIE / COMPOSANTS DE BASE
   Inspiré du PDF "CharteGraphique-GéoSuite-completee.pdf" (juin 2018)
   ============================================================= */

/* --- Polices TT Norms ---------------------------------------- */
@font-face {
    font-family: "TT Norms";
    src: url("/static/fonts/TT-Norms-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "TT Norms";
    src: url("/static/fonts/TT-Norms-Medium.ttf") format("truetype");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "TT Norms";
    src: url("/static/fonts/TT-Norms-Bold.ttf") format("truetype");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* --- Variables CSS ------------------------------------------- */
:root {
    /* Couleurs primaires */
    --gs-noir:        #1c1c1c;     /* base sombre (proche du PDF) */
    --gs-noir-2:      #2a2a2a;     /* surfaces dark */
    --gs-blanc:       #ffffff;
    --gs-gris-argent: #b2b2b2;     /* R178 V178 B178 */
    --gs-gris-plomb:  #737373;     /* R115 V115 B115 */
    --gs-gris-clair:  #ececec;
    --gs-gris-tres-clair: #f7f7f7;

    /* Accent secondaire */
    --gs-jaune:       #ffed00;     /* R255 V237 B0 */
    --gs-jaune-dim:   #d6c800;

    /* Sémantique (verdicts géotech) */
    --col-ok:         #4caf50;
    --col-attention:  #ffb300;
    --col-danger:     #e53935;

    /* Tailles */
    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 14px;
    --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.10);

    /* Typo */
    --font-base: "TT Norms", "Helvetica Neue", Arial, sans-serif;
}

/* --- Reset léger --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font-base);
    font-weight: 400;
    color: var(--gs-noir);
    background: var(--gs-gris-tres-clair);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--gs-noir);
    margin: 0 0 0.6em 0;
    letter-spacing: -0.01em;
}
h1 { font-size: 1.85rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

a {
    color: var(--gs-noir);
    text-decoration: none;
    border-bottom: 1px solid var(--gs-gris-argent);
    transition: border-color 0.15s ease;
}
a:hover { border-color: var(--gs-jaune); }

/* --- Layout générique ---------------------------------------- */
.gs-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.gs-header {
    background: var(--gs-noir);
    color: var(--gs-blanc);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-soft);
}

.gs-header .brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.gs-header .brand-mark {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.06em;
}

.gs-header .brand-baseline {
    font-size: 0.75rem;
    color: var(--gs-gris-argent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.gs-header .user-zone {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.9rem;
}

.gs-header .user-zone .username {
    color: var(--gs-blanc);
    font-weight: 500;
}
.gs-header .user-zone .role {
    color: var(--gs-jaune);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.gs-main {
    flex: 1;
    padding: 36px 28px;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

.gs-footer {
    padding: 18px 28px;
    color: var(--gs-gris-plomb);
    font-size: 0.8rem;
    text-align: center;
    border-top: 1px solid var(--gs-gris-clair);
}

/* --- Boutons ------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-family: var(--font-base);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--gs-noir);
    color: var(--gs-blanc);
}
.btn-primary:hover { background: var(--gs-noir-2); }

.btn-accent {
    background: var(--gs-jaune);
    color: var(--gs-noir);
    font-weight: 700;
}
.btn-accent:hover { background: var(--gs-jaune-dim); }

.btn-ghost {
    background: transparent;
    color: var(--gs-gris-argent);
    border: 1px solid var(--gs-gris-plomb);
}
.btn-ghost:hover {
    color: var(--gs-blanc);
    border-color: var(--gs-blanc);
}

/* --- Champs de formulaire ------------------------------------ */
.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}
.field label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gs-gris-plomb);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.field input[type="text"],
.field input[type="password"],
.field input[type="number"],
.field input[type="email"],
.field select,
.field textarea {
    font-family: var(--font-base);
    font-size: 1rem;
    padding: 10px 12px;
    border: 1px solid var(--gs-gris-clair);
    border-radius: var(--radius-sm);
    background: var(--gs-blanc);
    color: var(--gs-noir);
    transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--gs-noir);
    box-shadow: 0 0 0 3px rgba(255, 237, 0, 0.25);
}

/* --- Cards --------------------------------------------------- */
.card {
    background: var(--gs-blanc);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.card-link {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--gs-blanc);
    border-radius: var(--radius);
    padding: 24px 22px;
    box-shadow: var(--shadow-soft);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
    color: inherit;
    min-height: 150px;
    position: relative;
    overflow: hidden;
}
.card-link::before {
    /* lignes diagonales en filigrane — clin d'œil au PDF */
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        rgba(178, 178, 178, 0.08) 0,
        rgba(178, 178, 178, 0.08) 1px,
        transparent 1px,
        transparent 14px
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.card-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
    border-color: var(--gs-noir);
}
.card-link:hover::before { opacity: 1; }

.card-link .icone {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gs-noir);
    color: var(--gs-blanc);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
}

.card-link .titre {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--gs-noir);
    margin-bottom: 6px;
}
.card-link .desc {
    font-size: 0.85rem;
    color: var(--gs-gris-plomb);
}

/* --- Verdicts ------------------------------------------------ */
.verdict {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}
.verdict-ok          { background: var(--col-ok);        color: #fff; }
.verdict-attention   { background: var(--col-attention); color: #1c1c1c; }
.verdict-insuffisant { background: var(--col-danger);    color: #fff; }

/* --- Alertes ------------------------------------------------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.alert-info     { background: #f0f4f8; border-color: var(--gs-gris-plomb); }
.alert-success  { background: #e8f5e9; border-color: var(--col-ok); }
.alert-warning  { background: #fff8e1; border-color: var(--col-attention); }
.alert-danger   { background: #ffebee; border-color: var(--col-danger); }

/* --- Tableaux ------------------------------------------------ */
table.gs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
table.gs-table th, table.gs-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--gs-gris-clair);
}
table.gs-table th {
    font-weight: 700;
    color: var(--gs-gris-plomb);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
}
table.gs-table tr:hover { background: var(--gs-gris-tres-clair); }

/* --- Helpers ------------------------------------------------- */
.text-muted { color: var(--gs-gris-plomb); }
.text-small { font-size: 0.85rem; }
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.gap-1      { gap: 8px; }
.gap-2      { gap: 16px; }
.gap-3      { gap: 24px; }
.mt-2       { margin-top: 16px; }
.mt-3       { margin-top: 24px; }
.mb-2       { margin-bottom: 16px; }