/* ── Variables ────────────────────────────────────────────────────────── */
:root {
    --blue:       #3B5BF6;
    --blue-dark:  #2a45d4;
    --blue-light: #eef1fe;
    --pink:       #F5536A;
    --navy:       #161B2E;
    --gray-1:     #f0f4ff;
    --gray-2:     #e8edff;
    --gray-3:     #c7d0f8;
    --gray-text:  #6b7280;
    --border:     #dde3ff;
    --white:      #ffffff;
    --success:    #12b76a;
    --error:      #f04438;
}

/* ── Reset & base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 15px;
    color: var(--navy);
    background: var(--gray-1);
    min-height: 100vh;
}

/* ── Login page ───────────────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(145deg, #1a2a8a 0%, #3B5BF6 55%, #F5536A 100%);
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    padding: 48px 40px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(59, 91, 246, .25);
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}
.login-logo img {
    height: 52px;
    width: auto;
}
.login-logo p {
    color: var(--gray-text);
    font-size: 0.88rem;
    margin-top: 8px;
    letter-spacing: .3px;
}

/* ── Topbar ───────────────────────────────────────────────────────────── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 62px;
    background: var(--blue);
    box-shadow: 0 2px 12px rgba(59, 91, 246, .3);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.logout-form { margin: 0; }

.topbar-logo { height: 32px; width: auto; }

.topbar-estab {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,.9);
    background: rgba(255,255,255,.15);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,.2);
}

/* ── Editor layout ────────────────────────────────────────────────────── */
.editor-page { background: var(--gray-1); }

.editor-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.result-main { max-width: 720px; }

/* ── Week navigation ──────────────────────────────────────────────────── */
.week-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    background: var(--white);
    border-radius: 14px;
    padding: 14px 20px;
    box-shadow: 0 1px 4px rgba(59,91,246,.08);
}
.week-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    text-align: center;
    flex: 1;
}

/* ── Existing preview ─────────────────────────────────────────────────── */
.existing-preview {
    margin-bottom: 24px;
    text-align: center;
}
.existing-label {
    font-size: 0.82rem;
    color: var(--gray-text);
    margin-bottom: 8px;
}
.preview-img {
    max-width: 280px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(59,91,246,.15);
    border: 2px solid var(--border);
}
.preview-img-large {
    max-width: 100%;
    border-radius: 14px;
    box-shadow: 0 6px 30px rgba(59,91,246,.18);
}
.preview-container {
    text-align: center;
    margin: 24px 0;
}

/* ── Template picker ──────────────────────────────────────────────────── */
.template-picker {
    background: var(--white);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 4px rgba(59,91,246,.08);
}
.section-label {
    display: block;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--gray-text);
    margin-bottom: 14px;
}
.template-options { display: flex; gap: 14px; flex-wrap: wrap; }

.template-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color .15s, background .15s, box-shadow .15s;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--navy);
}
.template-option input { display: none; }
.template-option.selected,
.template-option:has(input:checked) {
    border-color: var(--blue);
    background: var(--blue-light);
    box-shadow: 0 0 0 3px rgba(59,91,246,.12);
}
.template-thumb {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border);
    flex-shrink: 0;
    transition: border-color .15s;
}
.template-option.selected .template-thumb,
.template-option:has(input:checked) .template-thumb {
    border-color: var(--blue);
}

/* ── Days grid ────────────────────────────────────────────────────────── */
.days-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.day-card {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(59,91,246,.08);
    border: 1px solid var(--border);
}
.day-header {
    background: var(--blue);
    color: var(--white);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 1.2px;
    padding: 10px 16px;
}
.day-fields { padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }

/* ── Forms ────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 5px; }

label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: .5px;
}

input[type="email"],
input[type="password"],
textarea {
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--navy);
    resize: vertical;
    transition: border-color .15s, box-shadow .15s;
    width: 100%;
    background: var(--white);
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(59,91,246,.12);
}

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
    transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
    white-space: nowrap;
    letter-spacing: .2px;
}
.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}
.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    box-shadow: 0 4px 14px rgba(59,91,246,.35);
}
.btn-outline {
    background: var(--white);
    color: var(--blue);
    border-color: var(--border);
}
.btn-outline:hover {
    border-color: var(--blue);
    background: var(--blue-light);
}
.btn-full { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* Bouton outline dans la topbar (sur fond bleu) */
.topbar .btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.4);
    font-size: 0.82rem;
}
.topbar .btn-outline:hover {
    background: rgba(255,255,255,.15);
    border-color: rgba(255,255,255,.7);
}

/* ── Form actions ─────────────────────────────────────────────────────── */
.form-actions, .result-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    background: var(--white);
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(59,91,246,.08);
    border: 1px solid var(--border);
}

/* ── Alerts ───────────────────────────────────────────────────────────── */
.alert {
    padding: 13px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.alert-error   { background: #fff1f2; color: var(--error);   border: 1.5px solid #fecdd3; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1.5px solid #bbf7d0; }
.alert-info    { background: var(--blue-light); color: var(--blue); border: 1.5px solid var(--gray-3); }

/* ── Touch targets globaux ────────────────────────────────────────────── */
.btn { min-height: 44px; touch-action: manipulation; }
a.btn { display: inline-flex; }

/* ── Tablette ≤ 900px ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .editor-main { padding: 24px 16px 56px; }
    .days-grid   { grid-template-columns: repeat(2, 1fr); }
}

/* ── Petit écran ≤ 640px ──────────────────────────────────────────────── */
@media (max-width: 640px) {

    /* Login */
    .login-page  { align-items: flex-start; padding-top: 32px; }
    .login-card  {
        padding: 36px 20px 28px;
        margin: 12px;
        border-radius: 16px;
    }
    .login-logo img { height: 44px; }

    /* Topbar */
    .topbar { padding: 0 14px; height: 56px; }
    .topbar-logo { height: 26px; }
    .topbar-estab {
        max-width: 130px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        font-size: 0.76rem;
        padding: 3px 8px;
    }

    /* Main */
    .editor-main { padding: 14px 10px 96px; } /* 96px = place pour la sticky bar */
    .result-main { padding-bottom: 32px; }

    /* Week nav : titre centré, boutons pleins */
    .week-nav {
        flex-direction: column;
        gap: 10px;
        padding: 12px 14px;
        text-align: center;
    }
    .week-nav .btn { width: 100%; justify-content: center; }
    .week-title { font-size: 0.95rem; }

    /* Template picker : 2 colonnes côte à côte */
    .template-options {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .template-option {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 10px 8px;
        gap: 8px;
        font-size: 0.78rem;
    }
    .template-thumb { width: 100%; height: auto; aspect-ratio: 1; max-width: 120px; }

    /* Days : 1 colonne */
    .days-grid { grid-template-columns: 1fr; gap: 10px; }

    /* Inputs : 16px minimum pour éviter le zoom iOS */
    input[type="email"],
    input[type="password"],
    textarea { font-size: 16px; }

    /* Actions : sticky en bas, pleine largeur */
    .form-actions {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 0;
        border-top: 1px solid var(--border);
        border-left: none;
        border-right: none;
        border-bottom: none;
        padding: 12px 14px env(safe-area-inset-bottom, 0px);
        box-shadow: 0 -4px 20px rgba(59,91,246,.12);
        z-index: 20;
        justify-content: stretch;
        gap: 8px;
    }
    .form-actions .btn { flex: 1; min-width: 0; }

    /* Result actions : stack vertical */
    .result-actions {
        flex-direction: column;
        padding: 14px;
    }
    .result-actions .btn,
    .result-actions form { width: 100%; }
    .result-actions form .btn { width: 100%; }

    /* Aperçu menu existant */
    .preview-img { max-width: 100%; }

    /* Alert */
    .alert { font-size: 0.85rem; padding: 11px 14px; }
}

/* ── Très petit ≤ 380px ───────────────────────────────────────────────── */
@media (max-width: 380px) {
    .topbar-estab { display: none; } /* masque sur tout petit écran si déborde */
    .template-options { grid-template-columns: 1fr; }
    .week-title { font-size: 0.88rem; }
}