/**
 * Login Modal CSS - BPPRD MERANGIN Theme (Refactored)
 * Modern, responsive, and maintainable styling
 */

/* ===================================
   CSS VARIABLES & CUSTOM PROPERTIES
   =================================== */
:root {
    /* Color Palette */
    --login-bg-primary: #0f172a;
    --login-bg-secondary: #1e293b;
    --login-bg-tertiary: #334155;
    --login-bg-overlay: rgba(30, 41, 59, 0.8);
    --login-bg-overlay-hover: rgba(30, 41, 59, 0.95);
    --login-bg-feature: rgba(15, 23, 42, 0.3);
    --login-bg-feature-hover: rgba(15, 23, 42, 0.5);
    --login-bg-contact: rgba(15, 23, 42, 0.3);
    
    --login-border-primary: rgba(99, 102, 241, 0.3);
    --login-border-secondary: rgba(99, 102, 241, 0.2);
    --login-border-hover: rgba(99, 102, 241, 0.5);
    --login-border-focus: #6366f1;
    
    --login-text-primary: #ffffff;
    --login-text-secondary: #e2e8f0;
    --login-text-muted: rgba(148, 163, 184, 0.7);
    --login-text-muted-focus: rgba(148, 163, 184, 0.5);
    
    --login-accent-primary: #6366f1;
    --login-accent-secondary: #8b5cf6;
    --login-accent-success: #22c55e;
    --login-accent-danger: #ef4444;
    --login-accent-warning: #f59e0b;
    
    /* Spacing System */
    --login-spacing-xs: 0.5rem;
    --login-spacing-sm: 0.75rem;
    --login-spacing-md: 1rem;
    --login-spacing-lg: 1.5rem;
    --login-spacing-xl: 2rem;
    --login-spacing-2xl: 3rem;
    
    /* Border Radius */
    --login-radius-sm: 6px;
    --login-radius-md: 10px;
    --login-radius-lg: 12px;
    --login-radius-xl: 16px;
    --login-radius-2xl: 20px;
    
    /* Shadows */
    --login-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --login-shadow-md: 0 4px 15px rgba(99, 102, 241, 0.3);
    --login-shadow-lg: 0 8px 25px rgba(99, 102, 241, 0.6);
    --login-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    
    /* Transitions */
    --login-transition-fast: 0.3s ease;
    --login-transition-normal: 0.5s ease;
    
    /* Typography */
    --login-font-size-sm: 0.85rem;
    --login-font-size-base: 1rem;
    --login-font-size-lg: 1.1rem;
    --login-font-size-xl: 1.2rem;
    --login-line-height: 1.5;
    
    /* Z-index */
    --login-z-modal: 1050;
    --login-z-dropdown: 1060;
}

/* ===================================
   MODAL CONTAINER & STRUCTURE
   =================================== */
.login-modal-content {
    background: linear-gradient(135deg, var(--login-bg-primary) 0%, var(--login-bg-secondary) 50%, var(--login-bg-primary) 100%);
    border: 1px solid var(--login-border-primary);
    border-radius: var(--login-radius-2xl);
    box-shadow: var(--login-shadow-xl);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.login-modal-body {
    padding: var(--login-spacing-2xl) var(--login-spacing-xl) var(--login-spacing-xl);
    background: linear-gradient(135deg, var(--login-bg-primary) 0%, var(--login-bg-secondary) 100%);
    position: relative;
}

.login-modal-footer {
    background: linear-gradient(135deg, var(--login-bg-secondary) 0%, var(--login-bg-tertiary) 100%);
    border-top: 1px solid var(--login-border-primary);
    padding: var(--login-spacing-lg);
    text-align: center;
}

/* ===================================
   FORM CONTAINER & TYPOGRAPHY
   =================================== */
.login-form-container {
    padding-right: var(--login-spacing-md);
}

.login-form-container h4 {
    background: linear-gradient(135deg, var(--login-text-primary) 0%, var(--login-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    text-shadow: var(--login-shadow-sm);
}

/* ===================================
   FORM INPUTS & CONTROLS
   =================================== */
.login-input {
    background: var(--login-bg-overlay);
    border: 2px solid var(--login-border-primary);
    border-radius: var(--login-radius-lg);
    color: var(--login-text-primary);
    font-size: var(--login-font-size-base);
    padding: 0.875rem var(--login-spacing-md);
    transition: var(--login-transition-fast);
    backdrop-filter: blur(10px);
    width: 100%;
}

.login-input:focus {
    background: var(--login-bg-overlay-hover);
    border-color: var(--login-border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    color: var(--login-text-primary);
    outline: none;
}

.login-input:hover {
    border-color: var(--login-border-hover);
}

.login-input::placeholder {
    color: var(--login-text-muted);
}

.login-input:focus::placeholder {
    color: var(--login-text-muted-focus);
}

/* ===================================
   PASSWORD INPUT GROUP
   =================================== */
.password-input-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--login-spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-text-muted);
    background: none;
    border: none;
    padding: 0;
    font-size: var(--login-font-size-lg);
    transition: color var(--login-transition-fast);
    cursor: pointer;
}

.password-toggle:hover,
.password-toggle:focus {
    color: var(--login-accent-primary);
    outline: none;
}

/* ===================================
   FORM LABELS & CHECKBOXES
   =================================== */
.form-label {
    font-weight: 600;
    margin-bottom: var(--login-spacing-xs);
    text-shadow: var(--login-shadow-sm);
    color: var(--login-text-primary);
}

.form-check-input {
    background-color: var(--login-bg-overlay);
    border: 2px solid var(--login-border-primary);
    border-radius: var(--login-radius-sm);
    width: 1.2rem;
    height: 1.2rem;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--login-accent-primary);
    border-color: var(--login-accent-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-check-label {
    font-weight: 500;
    cursor: pointer;
    color: var(--login-text-primary);
}

/* ===================================
   BUTTONS & INTERACTIVE ELEMENTS
   =================================== */
.btn-primary-modern {
    background: linear-gradient(135deg, var(--login-accent-primary) 0%, var(--login-accent-secondary) 100%);
    border: none;
    border-radius: var(--login-radius-lg);
    color: var(--login-text-primary);
    font-weight: 600;
    font-size: var(--login-font-size-lg);
    padding: var(--login-spacing-md) var(--login-spacing-xl);
    transition: var(--login-transition-fast);
    position: relative;
    overflow: hidden;
    box-shadow: var(--login-shadow-md);
    cursor: pointer;
}

.btn-primary-modern::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 ease;
}

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

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--login-shadow-lg);
}

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

.btn-primary-modern:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-outline-modern {
    background: transparent;
    border: 2px solid var(--login-border-hover);
    color: var(--login-accent-primary);
    border-radius: var(--login-radius-lg);
    font-weight: 600;
    padding: var(--login-spacing-sm) var(--login-spacing-lg);
    transition: var(--login-transition-fast);
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.btn-outline-modern:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--login-accent-primary);
    color: var(--login-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--login-shadow-md);
}

/* ===================================
   BUTTON STATES & LOADING
   =================================== */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-text,
.btn-loading,
.btn-success,
.btn-error {
    transition: opacity var(--login-transition-fast);
}

.spinner-border {
    width: 1rem;
    height: 1rem;
}

/* ===================================
   INFO CONTAINER & FEATURES
   =================================== */
.login-info-container {
    background: var(--login-bg-overlay);
    border-radius: var(--login-radius-xl);
    padding: var(--login-spacing-lg);
    border: 1px solid var(--login-border-secondary);
    backdrop-filter: blur(15px);
}

.login-features h5 {
    background: linear-gradient(135deg, var(--login-text-primary) 0%, var(--login-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    text-align: center;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: var(--login-spacing-sm);
    border-radius: var(--login-radius-lg);
    transition: var(--login-transition-fast);
    background: var(--login-bg-feature);
    margin-bottom: var(--login-spacing-xs);
}

.feature-item:hover {
    background: var(--login-bg-feature-hover);
    transform: translateX(5px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--login-radius-md);
    margin-right: var(--login-spacing-md);
    font-size: var(--login-font-size-xl);
    transition: var(--login-transition-fast);
}

.feature-item:hover .feature-icon {
    background: rgba(99, 102, 241, 0.2);
    transform: scale(1.1);
}

.feature-text h6 {
    font-weight: 600;
    margin-bottom: var(--login-spacing-xs);
    color: var(--login-text-primary);
}

.feature-text small {
    font-size: var(--login-font-size-sm);
    opacity: 0.8;
    color: var(--login-text-secondary);
}

/* ===================================
   STATS SECTION
   =================================== */
.login-stats {
    border-top: 1px solid var(--login-border-secondary);
    padding-top: var(--login-spacing-lg);
}

.stat-item h4 {
    font-weight: 700;
    margin-bottom: var(--login-spacing-xs);
    text-shadow: var(--login-shadow-sm);
    color: var(--login-text-primary);
}

.stat-item small {
    font-size: 0.8rem;
    opacity: 0.9;
    color: var(--login-text-secondary);
}

/* ===================================
   CONTACT INFO
   =================================== */
.contact-info {
    background: var(--login-bg-contact);
    border-radius: var(--login-radius-lg);
    padding: var(--login-spacing-lg);
    border: 1px solid var(--login-border-secondary);
}

.contact-item {
    display: flex;
    align-items: center;
    padding: var(--login-spacing-xs) 0;
}

.contact-item i {
    font-size: var(--login-font-size-lg);
    width: 24px;
    color: var(--login-accent-primary);
}

/* ===================================
   ALERT MESSAGES
   =================================== */
.alert {
    border-radius: var(--login-radius-lg);
    border: none;
    font-weight: 500;
    padding: var(--login-spacing-md);
    margin-bottom: var(--login-spacing-md);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--login-accent-success);
    border-left: 4px solid var(--login-accent-success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--login-accent-danger);
    border-left: 4px solid var(--login-accent-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--login-accent-warning);
    border-left: 4px solid var(--login-accent-warning);
}

/* ===================================
   FORM VALIDATION STYLES
   =================================== */
.is-invalid {
    border-color: var(--login-accent-danger) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.is-valid {
    border-color: var(--login-accent-success) !important;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2) !important;
}

.invalid-feedback {
    display: block;
    color: var(--login-accent-danger);
    font-size: var(--login-font-size-sm);
    margin-top: var(--login-spacing-xs);
}

/* ===================================
   ANIMATIONS & KEYFRAMES
   =================================== */
.fade-in {
    animation: fadeIn var(--login-transition-normal) ease-in-out;
}

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

.slide-in-right {
    animation: slideInRight var(--login-transition-normal) ease-in-out;
}

@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 991.98px) {
    .login-modal-content {
        margin: var(--login-spacing-md);
    }
    
    .login-modal-body {
        padding: var(--login-spacing-lg);
    }
    
    .login-form-container {
        padding-right: 0;
        margin-bottom: var(--login-spacing-xl);
    }
    
    .login-info-container {
        margin-top: var(--login-spacing-md);
    }
}

@media (max-width: 575.98px) {
    .modal-dialog {
        margin: var(--login-spacing-xs);
    }
    
    .login-modal-body {
        padding: var(--login-spacing-md);
    }
    
    .login-modal-footer {
        padding: var(--login-spacing-md);
    }
    
    .feature-item {
        padding: var(--login-spacing-xs);
    }
    
    .feature-icon {
        width: 35px;
        height: 35px;
        font-size: var(--login-font-size-base);
    }
}

/* ===================================
   ACCESSIBILITY & FOCUS STATES
   =================================== */
.login-input:focus,
.btn-primary-modern:focus,
.btn-outline-modern:focus,
.password-toggle:focus {
    outline: none;
}

/* ===================================
   REDUCED MOTION SUPPORT
   =================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-light-blue {
    color: #06b6d4 !important;
}

.text-light-blue:hover {
    color: #0891b2 !important;
}

.d-none {
    display: none !important;
}