/* ============================================================
   RestoManager - Feuille de style POS (tactile, mobile-first)
   ============================================================ */

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

:root {
    --primary:        #e67e22;
    --primary-dark:   #d35400;
    --dark:           #2c3e50;
    --darker:         #1a252f;
    --bg:             #f4f6f8;
    --surface:        #ffffff;
    --text:           #2c3e50;
    --muted:          #7f8c8d;
    --border:         #dfe6e9;
    --danger:         #e74c3c;
    --success:        #27ae60;
    --radius:         12px;
    --shadow:         0 4px 20px rgba(0,0,0,0.08);
    --tap-min:        56px; /* cible tactile min */
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
    font-size: 16px;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    user-select: none;
}

/* ===== ÉCRAN DE LOGIN ===== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    padding: 40px 32px;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.login-logo-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.login-logo h1 {
    margin: 0;
    font-size: 26px;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.login-tagline {
    margin: 0 0 32px 0;
    color: var(--muted);
    font-size: 14px;
    padding-left: 60px;
}

/* ===== CHAMPS ===== */
.field {
    margin-bottom: 20px;
}

.field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.field input {
    width: 100%;
    min-height: var(--tap-min);
    padding: 14px 16px;
    font-size: 17px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    transition: border-color 0.15s, background 0.15s;
    outline: none;
    font-family: inherit;
}

.field input:focus {
    border-color: var(--primary);
    background: #fff;
}

.field input::placeholder {
    color: #b2bec3;
}

/* ===== BOUTON ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--tap-min);
    padding: 14px 24px;
    font-size: 17px;
    font-weight: 700;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform 0.08s, background 0.15s;
    font-family: inherit;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    width: 100%;
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover { background: var(--primary-dark); }

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== ALERTES ===== */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.alert.show { display: block; }

.alert-danger  { background: #fdecea; color: var(--danger); border-left: 4px solid var(--danger); }
.alert-success { background: #eafaf1; color: var(--success); border-left: 4px solid var(--success); }
.alert-info    { background: #eaf4fd; color: #2980b9; border-left: 4px solid #2980b9; }

/* ===== LANG SWITCH ===== */
.lang-switch {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.lang-switch a {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--muted);
    border: 1px solid var(--border);
    transition: all 0.15s;
}

.lang-switch a:hover,
.lang-switch a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== RESPONSIVE TABLETTE ===== */
@media (min-width: 768px) {
    .login-card { padding: 48px 44px; }
    .login-logo h1 { font-size: 30px; }
}

/* ===== UTILITAIRES ===== */
.text-muted { color: var(--muted); }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }