/* Mobile-first */
:root {
    --bg: #0d1117;
    --card-bg: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --text-soft: rgba(255, 255, 255, 0.6);
    --blue: #1a73e8;
    --blue-gradient: linear-gradient(135deg, #0068ff, #0a84ff);
    --radius: 18px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--card-bg);
    padding: 32px 26px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    margin-bottom: 12px;
}

.login-header h1 {
    font-size: 28px;
    margin: 0;
}

.subtitle {
    color: var(--text-soft);
    font-size: 15px;
    margin-top: 4px;
}

.error-banner {
    background: rgba(255, 74, 74, 0.15);
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 87, 87, 0.4);
    color: #ff6b6b;
    margin-bottom: 20px;
    font-size: 14px;
}

.login-form label {
    font-size: 14px;
    color: var(--text-soft);
    display: block;
    margin-bottom: 6px;
}

.login-form input {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    margin-bottom: 20px;
    font-size: 16px; /* empêche zoom iOS */
}

.login-btn {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius);
    border: none;
    font-size: 17px;
    font-weight: 600;
    color: white;
    background: var(--blue-gradient);
    cursor: pointer;
    transition: 0.2s ease;
}

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

.success-banner {
    background-color: #dcfce7;
    color: #166534;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}