:root {
    --bg-dark: #0f1115;
    --card-bg: #181a20;
    --card-border: #2a2d36;
    --text-primary: #ffffff;
    --text-secondary: #8a8f9d;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --social-btn-bg: #22252e;
    --social-btn-hover: #2b2f3a;
    --input-bg: #111318;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-input: 'Lexend', sans-serif;
}

* {
    box-sizing: border-box;
}

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

.login-container {
    width: 100%;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: login-enter 0.5s ease-out both;
}

@keyframes login-enter {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-container {
        animation: none;
    }
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    padding: 36px 32px;
}

.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.brand-logo-icon {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 6px;
}

.brand-name {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 24px 0;
    color: var(--text-primary);
}

.section-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 11px 16px;
    background: var(--social-btn-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-main);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-social:hover {
    background: var(--social-btn-hover);
    border-color: #3f4452;
}

.social-icon {
    flex-shrink: 0;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 12px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--card-border);
}

.divider span {
    padding: 0 12px;
}

.login-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}

.input-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-input);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-input::placeholder {
    color: #535866;
}

.form-input:focus {
    border-color: var(--accent);
}

.btn-submit {
    width: 100%;
    padding: 11px 16px;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.btn-submit:hover {
    background: var(--accent-hover);
}

.auth-message {
    margin: 16px 0 0;
    color: #ff8a8a;
    font-size: 13px;
    line-height: 1.5;
}

.card-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s ease;
}

.footer-link:hover {
    text-decoration: underline;
}