/*!
 * Authentication page styling keyed to the global theme variables.
 */

.auth-body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-body::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
    pointer-events: none;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.login-container {
    max-width: 450px;
    width: 100%;
    padding: 20px;
    z-index: 1;
}

.login-card {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.95);
    overflow: hidden;
    animation: slideInScale 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--info-color) 100%);
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: #fff;
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.login-header h4 {
    margin: 0;
    font-weight: 700;
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
}

.login-header i {
    font-size: 1.5rem;
}

.login-body {
    padding: 2.5rem 2rem;
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0.5rem;
    z-index: 10;
}

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

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.9375rem;
}

.form-control,
.form-select {
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: var(--font-size-base);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
}

.form-control::placeholder,
.form-select::placeholder {
    color: rgba(0, 0, 0, 0.4);
    font-style: italic;
    transition: color 0.3s ease;
}

.form-control:focus::placeholder,
.form-select:focus::placeholder {
    color: rgba(0, 0, 0, 0.2);
}

.btn-primary {
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    color: white;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
}

.alert {
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--danger-color), var(--danger-dark));
}

.alert-danger {
    background: rgba(248, 215, 218, 0.9);
    color: var(--danger-dark);
    border-left: 4px solid var(--danger-color);
}

.alert-danger::before {
    background: linear-gradient(to bottom, var(--danger-color), var(--danger-dark));
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 576px) {
    .login-container {
        padding: 15px;
    }

    .login-card {
        border-radius: var(--border-radius-sm);
    }

    .login-header {
        padding: 1rem;
    }

    .login-body {
        padding: 1.5rem;
    }
}