:root {
    --bg: #000000;
    --card: #0a0a0a;
    --card-2: #171717;
    --card-3: #1f1f1f;
    --text: #ffffff;
    --secondary: #8a8a8a;
    --accent: #ffffff;
    --accent-text: #000000;
    --danger: #e0645c;
    --border: rgba(255,255,255,0.18);
    --header-bg: rgba(0, 0, 0, 0.88);
    --shadow: none;

    /* Statuts agenda — volontairement identiques en clair/sombre, pour rester
       immédiatement reconnaissables quel que soit le thème. */
    --dispo: #0a84ff;
    --indispo: #ff453a;
    --option: #ff9f0a;
    --valide: #30d158;

    /* Système d'espacement — à réutiliser dans tous les futurs modules
       pour garder un rythme visuel cohérent dans toute l'app. */
    --gutter: 16px;   /* marge gauche/droite constante pour tous les blocs */
    --stack: 16px;    /* espace vertical entre deux blocs consécutifs */
    --stack-lg: 28px; /* espace avant un nouveau bandeau de section (h2) */
    --inset: 16px;    /* espace intérieur (padding) des cartes/blocs */
}
html[data-theme="light"] {
    --bg: #ffffff;
    --card: #ffffff;
    --card-2: #f1f1f1;
    --card-3: #e7e7e7;
    --text: #000000;
    --secondary: #6b6b6b;
    --accent: #000000;
    --accent-text: #ffffff;
    --danger: #c9433c;
    --border: rgba(0,0,0,0.15);
    --header-bg: rgba(255, 255, 255, 0.88);
    --shadow: none;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { background-color: var(--bg); }

body {
    font-family: "Helvetica Neue", Helvetica, Arial, -apple-system, sans-serif;
    color: var(--text);
    margin: 0;
    padding-bottom: 100px;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.display { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; }

header {
    background-color: var(--header-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: var(--stack) var(--gutter);
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-mark { width: 26px; height: 26px; flex-shrink: 0; color: var(--text); }
.header-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
html[data-theme="dark"] .header-mark img,
html[data-theme="dark"] .lock-icon img { filter: invert(1); }
.header-text { display: flex; flex-direction: column; gap: 1px; }
.header-back { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; color: var(--secondary); text-decoration: none; }
h1 { font-size: 17px; margin: 0; font-weight: 800; letter-spacing: 0.2px; text-transform: uppercase; }

h2 {
    font-size: 11px; margin: var(--stack-lg) 0 var(--stack); color: var(--secondary); font-weight: 700;
    letter-spacing: 0.6px; text-transform: uppercase;
    padding: 12px var(--gutter); background-color: var(--card-2);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.container > h2:first-child { margin-top: 0; }

.container { padding: var(--stack) 0 0; }
.card-pad { padding: var(--inset); }
.card { background-color: var(--card); margin: 0 var(--gutter) var(--stack); border: 1px solid var(--border); border-radius: 0; overflow: hidden; box-shadow: var(--shadow); transition: background-color 0.25s ease; }

.key-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); transition: background-color 0.15s ease; gap: 8px; }
.key-item:last-child { border-bottom: none; }
.key-item:active { background-color: var(--card-2); }
.key-info { display: flex; flex-direction: row; align-items: center; gap: 8px; min-width: 0; flex-wrap: wrap; flex: 1 1 auto; }
.key-name { font-weight: 700; font-size: 13px; letter-spacing: 0.1px; white-space: nowrap; }
.key-status { font-size: 10px; }

.badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 0; font-size: 9px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; width: fit-content; }
.status-available { color: var(--text); border: 1px solid var(--border); background-color: transparent; }
.status-taken { color: var(--bg); background-color: var(--text); }

select {
    font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1px;
    padding: 8px 24px 8px 9px; border-radius: 0; border: 1px solid var(--border);
    background-color: var(--card-2); color: var(--text); width: 118px; flex-shrink: 0;
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat; background-position: right 7px center; background-size: 11px;
    text-overflow: ellipsis; overflow: hidden; white-space: nowrap;
}

.btn {
    background-color: var(--accent); color: var(--accent-text); border: none; border-radius: 0;
    padding: 14px 20px; font-size: 12px; font-weight: 800; letter-spacing: 0.4px; text-transform: uppercase;
    text-decoration: underline; text-underline-offset: 3px; cursor: pointer; width: 100%; margin-top: 10px;
    transition: opacity 0.1s ease;
    display: flex; align-items: center; justify-content: center; text-align: center; line-height: 1.3;
}
.btn:active { opacity: 0.75; }
.btn-danger { background-color: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-secondary { background-color: transparent; color: var(--text); border: 1px solid var(--border); }

.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 9.5px; margin-bottom: 6px; color: var(--secondary); font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; }
.form-group input:not([type="checkbox"]), .form-group select {
    width: 100%; padding: 13px 14px; border-radius: 0; border: 1px solid var(--border);
    background: var(--card-2); color: var(--text); font-size: 16px; box-sizing: border-box;
    appearance: none; -webkit-appearance: none;
}
.form-group select {
    text-transform: none; font-weight: 400; font-size: 15px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat; background-position: right 14px center; background-size: 14px; padding-right: 36px;
}
.form-group input::placeholder { color: var(--secondary); }
.hidden { display: none !important; }

.tab-bar {
    position: fixed; bottom: 0; left: 0; width: 100%; background-color: var(--header-bg);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border-top: 1px solid var(--border);
    display: flex; justify-content: space-around; padding: 14px 0 calc(18px + env(safe-area-inset-bottom)); z-index: 100;
}
.tab-btn {
    background: none; border: none; color: var(--secondary); font-size: 8px; font-weight: 700;
    letter-spacing: 0.4px; text-transform: uppercase; display: flex; flex-direction: column;
    align-items: center; gap: 4px; transition: color 0.15s ease;
}
.tab-btn:active { opacity: 0.7; }
.tab-btn.active { color: var(--text); }
.tab-icon { width: 22px; height: 22px; }
.tab-icon svg { width: 100%; height: 100%; display: block; }

.person-item { border-bottom: 1px solid var(--border); }
.person-item:last-child { border-bottom: none; }
.person-view { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; gap: 10px; }
.person-view-actions { display: flex; gap: 8px; flex-shrink: 0; }
.person-name { font-weight: 700; font-size: 13px; }
.person-role { font-size: 9px; color: var(--secondary); padding: 0; margin-top: 4px; display: inline-block; font-weight: 600; letter-spacing: 0.3px; text-transform: uppercase; }
.person-edit { padding: 15px; background-color: var(--card-2); }
.btn-small { width: auto; margin: 0; padding: 8px 13px; font-size: 9px; border-radius: 0; }

.status-indicator {
    position: fixed; top: 12px; left: 50%; transform: translateX(-50%); background-color: var(--accent);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); color: var(--accent-text);
    padding: 8px 16px; border-radius: 0; font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.3px; z-index: 200; opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
}
.status-indicator.show { opacity: 1; }
.status-indicator.error { background-color: var(--danger); color: #fff; }

.segmented { display: flex; background-color: var(--card-2); border: 1px solid var(--border); border-radius: 0; padding: 3px; gap: 3px; }
.segmented button { flex: 1; border: none; background: none; padding: 9px 6px; border-radius: 0; font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; color: var(--secondary); cursor: pointer; transition: background-color 0.15s ease, color 0.15s ease; }
.segmented button.active { background-color: var(--accent); color: var(--accent-text); }

.group { margin: 0 var(--gutter) var(--stack); border: 1px solid var(--border); border-radius: 0; overflow: hidden; background-color: var(--card); transition: background-color 0.25s ease; }
.group-header { width: 100%; display: flex; align-items: center; justify-content: space-between; background-color: var(--card-3); border: none; padding: 16px; cursor: pointer; color: var(--text); }
.group-header-left { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; letter-spacing: 0.2px; text-transform: uppercase; }
.group-header-left .dot { display: none; }
.group-count { color: var(--secondary); font-weight: 500; font-size: 11px; text-transform: none; letter-spacing: 0; }
.group-header .chevron { width: 18px; height: 18px; color: var(--secondary); transition: transform 0.2s ease; flex-shrink: 0; }
.group-header .chevron.open { transform: rotate(180deg); }
.group-body { border-top: 1px solid var(--border); }
.group-body.hidden { display: none; }

.person-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; }
.person-badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 0; font-size: 9px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; color: var(--secondary); border: 1px solid var(--border); white-space: nowrap; }

#lock-screen { position: fixed; inset: 0; background-color: var(--bg); z-index: 999; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 30px; }
#lock-screen .lock-icon { width: 42px; height: 42px; color: var(--text); margin-bottom: 16px; }
#lock-screen .lock-icon img { width: 100%; height: 100%; object-fit: contain; display: block; }
#lock-screen h2 { padding: 0; margin: 0 0 22px; background: none; border: none; color: var(--text); font-size: 15px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.4px; }
#lock-screen input { width: 100%; max-width: 280px; padding: 15px; border-radius: 0; border: 1px solid var(--border); background: var(--card-2); color: var(--text); font-size: 16px; text-align: center; margin-bottom: 12px; box-shadow: var(--shadow); }
#lock-screen .btn { max-width: 280px; }
#lock-error { color: var(--danger); font-size: 11px; margin-top: 10px; min-height: 18px; }

/* Éléments spécifiques au hub */
.module-tile {
    display: flex; align-items: center; justify-content: space-between; padding: 20px 16px;
    border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text);
}
.module-tile:last-child { border-bottom: none; }
.module-tile:active { background-color: var(--card-2); }
.module-tile-name { font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.2px; }
.module-tile-desc { font-size: 10px; color: var(--secondary); margin-top: 3px; text-transform: none; letter-spacing: 0; }
.module-tile .chevron { width: 18px; height: 18px; color: var(--secondary); flex-shrink: 0; transform: rotate(-90deg); }

.user-row { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.user-row:last-child { border-bottom: none; }
.user-row-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.user-name { font-weight: 700; font-size: 13px; }
.user-username { font-size: 9px; color: var(--secondary); text-transform: none; }
.user-photo-preview { width: 60px; height: 60px; object-fit: cover; border: 1px solid var(--border); display: block; margin-bottom: 8px; flex-shrink: 0; }
.user-tags { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.user-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.tag-admin { color: var(--text); border: 1px solid var(--text); }
.tag-inactive { color: var(--danger); border: 1px solid var(--danger); }
.tag-freelance { color: var(--text); border: 1px dashed var(--text); }
.tag-team { color: var(--bg); background-color: var(--text); border: 1px solid var(--text); }
.tag-function { color: var(--text); background-color: var(--card-2); border: 1px solid var(--border); }
.tag-city { color: var(--secondary); border: 1px dotted var(--border); }
.tag-module { color: var(--secondary); border: none; border-bottom: 1px solid var(--border); padding-left: 0; padding-right: 0; }

.checkbox-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.checkbox-row:last-child { border-bottom: none; }
.checkbox-row input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--accent); }
.checkbox-row label { font-size: 13px; margin: 0; text-transform: none; font-weight: 400; color: var(--text); }

.chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 7px 8px 7px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 600; border: 1px solid var(--border); background-color: var(--card-2);
    color: var(--text); white-space: nowrap;
}
.chip-remove {
    border: none; background: none; color: var(--secondary); font-size: 15px; line-height: 1;
    cursor: pointer; padding: 2px 4px;
}
.chip-remove:hover { color: var(--danger); }