@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #4a90d9;
    --primary-color-hover: #357abd;
    --secondary-color: #6c757d;
    --secondary-color-hover: #5a6268;
    --bg-color: #f8fafc;
    --bg-image: none;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --border-color: #e2e8f0;
    --input-focus: #4a90d9;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: var(--bg-image);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

.logo {
    display: block;
    height: 48px;
    width: auto;
    margin: 0 auto 16px;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 4px;
}

h2 {
    font-size: 18px;
    font-weight: 400;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.alert {
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}

.alert-error {
    background-color: #fef2f2;
    color: var(--error-color);
    border-color: #fee2e2;
}

.alert-success {
    background-color: #f0fdf4;
    color: var(--success-color);
    border-color: #dcfce7;
}

form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

label {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, opacity 0.2s;
}

button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
}

button[type="submit"]:hover {
    background-color: var(--primary-color-hover);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.divider {
    position: relative;
    margin: 24px 0;
    border-top: 1px solid var(--border-color);
}

.divider span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    padding: 0 8px;
    font-size: 10px;
    color: #9ca3af;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: white;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    text-decoration: none;
    padding: 10px;
}

.btn-social:hover {
    background-color: #f9fafb;
    border-color: var(--secondary-color-hover);
    color: var(--secondary-color-hover);
}

.icon {
    width: 16px;
    height: 16px;
}

.footer-links {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.footer-links a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}