/* ============================================================
   LOGIN.CSS - Estilos da página de login
   ============================================================ */

.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    background: var(--sidebar-bg);
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px 0;
}

/* Background decoration */
.login-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    top: -100px;
    right: -100px;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #764ba2, #f093fb);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
    bottom: -100px;
    left: -100px;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    position: relative;
    z-index: 1;
    animation: fadeIn 0.5s ease-out;
    margin: auto;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.35);
}

.login-logo h1 {
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: 700;
}

.login-logo p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* Form */
.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sidebar-text);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-form input {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.login-form input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.login-form input:focus {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.08);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover:not(:disabled) {
    box-shadow: 0 6px 24px rgba(102, 126, 234, 0.45);
    transform: translateY(-1px);
}

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

.login-btn .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

/* Alert */
.login-alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-alert.error {
    background: rgba(245, 101, 101, 0.15);
    color: #feb2b2;
    border: 1px solid rgba(245, 101, 101, 0.2);
}

.login-alert.success {
    background: rgba(72, 187, 120, 0.15);
    color: #68d391;
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.login-alert.hidden {
    display: none;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 28px 24px;
    }
}