/* login.css */
:root {
    --bg-start: #0b1f3a;
    --bg-end: #0f2748;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

form {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    animation: fadeSlideUp 0.35s ease;
}

@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

form h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 28px;
    text-align: center;
    color: var(--text);
}

.error-message {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 20px;
    border-left: 3px solid var(--danger);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    transition: var(--transition);
    outline: none;
}

input[type="email"]:focus,
input[type="password"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    padding-right: 70px;
}

.toggle-password {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
}

.toggle-password:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.toggle-password:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.forgot-link {
    text-align: right;
    margin-bottom: 24px;
}

.forgot-link a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-link a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

.login-btn {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

@media (max-width: 480px) {
    form {
        padding: 28px 22px;
    }

    form h1 {
        font-size: 1.4rem;
        margin-bottom: 24px;
    }

    input[type="email"],
    input[type="password"] {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .toggle-password {
        padding: 5px 10px;
        font-size: 0.75rem;
    }
}

@media print {
    body {
        background: white;
    }

    form {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .toggle-password {
        display: none;
    }
}