/* ================================================
   MODERN LOGIN PAGE STYLES
   Thiết kế hiện đại, sạch sẽ và chuyên nghiệp
   ================================================ */

/* Login Page Variables */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Neutral Colors */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Status Colors */
    --success-500: #10b981;
    --success-600: #059669;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --warning-500: #f59e0b;
    
    /* Background Gradients */
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --card-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Typography */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --neutral-50: #0f172a;
    --neutral-100: #1e293b;
    --neutral-200: #334155;
    --neutral-300: #475569;
    --neutral-400: #64748b;
    --neutral-500: #94a3b8;
    --neutral-600: #cbd5e1;
    --neutral-700: #e2e8f0;
    --neutral-800: #f1f5f9;
    --neutral-900: #f8fafc;
    
    --card-gradient: linear-gradient(145deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.90));
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body.login-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--neutral-900);
    background: var(--neutral-50);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.6s ease-in-out, color 0.6s ease-in-out;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}


.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top: 3px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-4);
}

.loading-text {
    font-size: var(--text-sm);
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Background */
.login-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    transition: all 0.6s ease-in-out;
}

.gradient-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transition: background 0.6s ease-in-out;
}

[data-theme="dark"] .gradient-mesh {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    transition: background 0.6s ease-in-out;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.05);
    animation: float 8s ease-in-out infinite;
}

.element-1 {
    width: 300px;
    height: 300px;
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.element-2 {
    width: 200px;
    height: 200px;
    bottom: -5%;
    left: -5%;
    animation-delay: 3s;
}

.element-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 80%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.1); opacity: 0.6; }
}

/* Main Container */
.login-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
}

/* Login Card */
.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 10;
    overflow: hidden;
    transition: background 0.6s ease-in-out, border-color 0.6s ease-in-out, box-shadow 0.6s ease-in-out;
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.92) translateZ(0);
    }
    50% {
        opacity: 0.7;
        transform: translateY(10px) scale(0.98) translateZ(0);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) translateZ(0);
    }
}

/* Login card animation class */
.login-card.animate {
    animation: slideUp 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Card elements animation */
.login-card.animate .card-header {
    animation: zoomIn 0.4s ease-out 0.1s forwards;
}

.login-card.animate .card-body {
    animation: zoomIn 0.4s ease-out 0.2s forwards;
}

.login-card.animate .form-group:nth-child(1) {
    animation: zoomIn 0.4s ease-out 0.3s forwards;
}

.login-card.animate .form-group:nth-child(2) {
    animation: zoomIn 0.4s ease-out 0.4s forwards;
}

.login-card.animate .form-options {
    animation: zoomIn 0.4s ease-out 0.5s forwards;
}

.login-card.animate .submit-button {
    animation: zoomIn 0.4s ease-out 0.6s forwards;
}

.login-card.animate .card-footer {
    animation: zoomIn 0.4s ease-out 0.7s forwards;
}

/* Keyframes for card elements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Card Header */
.login-card .card-header {
    padding: var(--space-4) var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    color: var(--neutral-900);
    border-bottom: 1px solid var(--neutral-300);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
}

.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 1px solid var(--neutral-300);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-info {
    text-align: center;
}

.brand-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--neutral-900);
    margin: 0;
    letter-spacing: -0.025em;
    transition: color 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-subtitle {
    font-size: var(--text-sm);
    color: var(--neutral-600);
    margin: 0;
    font-weight: 500;
    transition: color 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Card Body */
.login-card .card-body {
    padding: var(--space-4) var(--space-6) var(--space-5);
    background: transparent;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: var(--space-1);
    transition: color 0.2s ease;
}

.form-group:hover .form-label {
    color: var(--primary-600);
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--space-4);
    width: 20px;
    color: var(--neutral-400);
    z-index: 1;
    transition: color 0.2s ease;
}

.form-input {
    width: 100%;
    height: 44px;
    padding: 0 calc(var(--space-3) + 32px + var(--space-1)) 0 calc(var(--space-4) + 20px + var(--space-2));
    border: 2px solid var(--neutral-200);
    border-radius: 8px;
    background: white;
    font-size: var(--text-base);
    font-weight: 400;
    color: var(--neutral-900);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    outline: none;
    transform: translateZ(0);
}

.form-input:not([type="password"]) {
    padding-right: var(--space-4);
}

.form-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:focus + .input-icon,
.input-container:focus-within .input-icon {
    color: var(--primary-500);
}

.form-input::placeholder {
    color: var(--neutral-400);
    font-weight: 400;
}

/* Duotone Icon Styling */
.fa-duotone {
    --fa-primary-color: var(--primary-500);
    --fa-secondary-color: var(--primary-200);
    --fa-secondary-opacity: 0.4;
}

/* Input Icons */
.input-icon .fa-duotone {
    --fa-primary-color: var(--neutral-400);
    --fa-secondary-color: var(--neutral-300);
    --fa-secondary-opacity: 0.5;
}

.form-input:focus + .input-icon .fa-duotone,
.input-container:focus-within .input-icon .fa-duotone {
    --fa-primary-color: var(--primary-500);
    --fa-secondary-color: var(--primary-300);
    --fa-secondary-opacity: 0.6;
}

/* Button Icons */
.submit-button .fa-duotone {
    --fa-primary-color: white;
    --fa-secondary-color: rgba(255, 255, 255, 0.7);
    --fa-secondary-opacity: 0.8;
}

/* Theme Toggle Icons */
.theme-toggle .fa-duotone {
    --fa-primary-color: var(--neutral-600);
    --fa-secondary-color: var(--neutral-400);
    --fa-secondary-opacity: 0.5;
}

.theme-toggle:hover .fa-duotone {
    --fa-primary-color: var(--primary-500);
    --fa-secondary-color: var(--primary-300);
    --fa-secondary-opacity: 0.7;
}

/* Simple Toast Icons */
.simple-toast-icon .fa-duotone,
.simple-toast-icon .fa-solid {
    --fa-secondary-opacity: 0.3;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: var(--space-3);
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--neutral-400);
    transition: all 0.2s ease;
    z-index: 2;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover {
    color: var(--primary-500);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.1);
}

.password-toggle:active {
    transform: scale(0.95);
}

.password-toggle i {
    font-size: 18px;
}

.password-toggle .eye-closed {
    display: none;
}

.password-toggle.active .eye-open {
    display: none;
}

.password-toggle.active .eye-closed {
    display: block;
}

/* Error Messages */
.error-message {
    font-size: var(--text-sm);
    color: var(--error-500);
    font-weight: 500;
    height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-8px);
    transition: height var(--transition-normal), opacity var(--transition-fast), transform var(--transition-fast);
}

.error-message.show {
    height: auto;
    opacity: 1;
    transform: translateY(0);
    padding-top: var(--space-1);
}

.form-group.error .form-input {
    border-color: var(--error-500);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.error .input-icon {
    color: var(--error-500);
}

/* Form Options */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--space-2) 0 var(--space-3);
    padding: 0 var(--space-1);
}

/* Custom Checkbox */
.custom-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    font-size: var(--text-sm);
    color: var(--neutral-700);
    transition: color var(--transition-normal);
}

.custom-checkbox input[type="checkbox"] {
    display: none;
}

.custom-checkbox .checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--neutral-400);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--space-2);
    transition: background-color 0.3s, border-color 0.3s, transform 0.3s;
    transform-style: preserve-3d;
}

.custom-checkbox .checkmark::before {
    content: "\2713";
    font-size: 10px;
    color: transparent;
    transition: color 0.3s, transform 0.3s;
    font-weight: bold;
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
    transform: scale(1.1) rotateZ(360deg) rotateY(360deg);
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark::before {
    color: white;
}

.custom-checkbox:hover {
    color: var(--neutral-600);
}

.custom-checkbox:hover .checkmark {
    border-color: var(--primary-400);
    background-color: var(--neutral-50);
    transform: scale(1.05);
}

.custom-checkbox input[type="checkbox"]:focus + .checkmark {
    box-shadow: none;
    outline: none;
}

.custom-checkbox .checkmark,
.custom-checkbox input[type="checkbox"]:checked + .checkmark {
    transition: background-color 1.3s, border-color 1.3s, color 1.3s, transform 0.3s;
}

.checkbox-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--neutral-700);
}

.forgot-password {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-600);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
    margin: calc(-1 * var(--space-1)) calc(-1 * var(--space-2));
    position: relative;
    overflow: hidden;
}

.forgot-password:hover {
    color: var(--primary-700);
    text-decoration: none;
    background: rgba(59, 130, 246, 0.1);
}

.forgot-password:active {
    transform: translateY(0) scale(1.02);
    transition: all 0.1s ease;
}

/* Submit Button */
.submit-button {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transform: translateZ(0);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.03);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    filter: brightness(1.1) saturate(1.1);
}

.submit-button:hover:not(:disabled) .button-icon {
    transform: translateX(3px) rotate(5deg);
}

.submit-button:active:not(:disabled) {
    transform: translateY(-1px) scale(0.99);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-button:focus:not(:disabled) {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 8px 20px rgba(99, 102, 241, 0.4);
}

.submit-button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.button-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.button-text {
    transition: transform 0.3s ease;
}

.loading-text {
    font-size: var(--text-sm);
    font-weight: 600;
}

/* Card Footer */
.card-footer {
    padding: var(--space-3) var(--space-6);
    text-align: center;
    border-top: 1px solid var(--neutral-300);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.footer-text {
    font-size: var(--text-xs);
    color: var(--neutral-400);
    font-weight: 400;
    margin: 0;
    transition: color 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Toast Container - High specificity to override Bootstrap */
body.login-page #toast-container.toast-container {
    position: fixed !important;
    top: var(--space-6) !important;
    right: var(--space-6) !important;
    z-index: 10000 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-3) !important;
    max-width: 350px !important;
    width: auto !important;
    pointer-events: auto !important;
}

/* Simple Toast Notifications */
.simple-toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background-color: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-normal);
    position: relative;
}

.simple-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.simple-toast.hide {
    transform: translateX(400px);
    opacity: 0;
}

.simple-toast-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 16px;
}

.simple-toast-content {
    flex: 1;
    min-width: 0;
}

.simple-toast-message {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0;
    line-height: 1.4;
}

.simple-toast-subtitle {
    font-size: var(--text-xs);
    color: var(--neutral-600);
    margin: var(--space-1) 0 0;
    line-height: 1.3;
}

.simple-toast-close {
    background: none;
    border: none;
    color: var(--neutral-500);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.simple-toast-close:hover {
    color: var(--neutral-700);
    background: var(--neutral-100);
}

/* Toast Type Variants */
.simple-toast.toast-success {
    border-left: 4px solid var(--success-500);
}

.simple-toast.toast-success .simple-toast-icon {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-500);
}

.simple-toast.toast-error {
    border-left: 4px solid var(--error-500);
}

.simple-toast.toast-error .simple-toast-icon {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-500);
}

.simple-toast.toast-warning {
    border-left: 4px solid var(--warning-500);
}

.simple-toast.toast-warning .simple-toast-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-500);
}

.simple-toast.toast-info {
    border-left: 4px solid var(--primary-500);
}

.simple-toast.toast-info .simple-toast-icon {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-500);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    border: 2px solid var(--neutral-200);
    border-radius: 50%;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    transform: scale(1.15) rotate(20deg);
    border-color: var(--primary-500);
    background: var(--primary-50);
    color: var(--primary-600);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.3);
}

.theme-toggle:active {
    transform: scale(0.9) rotate(10deg);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle i {
    font-size: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Default state - no data-theme or data-theme="light" */
.theme-icon-sun {
    display: none;
}

.theme-icon-moon {
    display: inline-block;
}

/* Explicitly for light theme */
[data-theme="light"] .theme-icon-sun {
    display: none;
}

[data-theme="light"] .theme-icon-moon {
    display: inline-block;
}

/* Dark theme button styling */
[data-theme="dark"] .theme-toggle {
    background: var(--neutral-800);
    color: var(--neutral-200);
    border-color: var(--neutral-700);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--neutral-700);
    color: var(--primary-400);
    border-color: var(--primary-400);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.2);
}

/* Dark theme icon switching */
[data-theme="dark"] .theme-icon-sun {
    display: inline-block;
}

[data-theme="dark"] .theme-icon-moon {
    display: none;
}

/* Responsive Design */
@media (max-width: 640px) {
    .login-main {
        padding: var(--space-3);
    }
    
    .toast-container {
        top: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        max-width: none;
    }
    
    .simple-toast {
        width: 100%;
        max-width: 320px;
        min-width: auto;
    }
    
    .simple-toast-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .theme-toggle {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 45px;
        height: 45px;
    }
    
    .theme-toggle i {
        font-size: 18px;
    }
    
    .login-card {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }
    
    .card-header {
        padding: var(--space-5) var(--space-5) var(--space-3);
    }
    
    .card-body {
        padding: var(--space-3) var(--space-5) var(--space-4);
    }
    
    .card-footer {
        padding: var(--space-3) var(--space-5);
    }
    
    .brand-logo {
        width: 52px;
        height: 52px;
    }
    
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
        margin: var(--space-2) 0 var(--space-3);
    }
    
    .floating-elements .element {
        opacity: 0.2;
        animation: none;
    }
}

@media (max-width: 480px) {
    .login-main {
        padding: var(--space-2);
    }
    
    .card-header {
        padding: var(--space-4) var(--space-4) var(--space-3);
    }
    
    .card-body {
        padding: var(--space-3) var(--space-4) var(--space-3);
    }
    
    .card-footer {
        padding: var(--space-2) var(--space-4);
    }
    
    .brand-logo {
        width: 48px;
        height: 48px;
    }
    
    .brand-title {
        font-size: var(--text-lg);
    }
    
    .brand-subtitle {
        font-size: var(--text-xs);
    }
    
    
    .form-options {
        margin: var(--space-1) 0 var(--space-2);
        gap: var(--space-2);
    }
}

/* Dark Theme Adjustments */
[data-theme="dark"] .login-card {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
}


[data-theme="dark"] .brand-logo {
    border-color: var(--primary-400);
}

[data-theme="dark"] .brand-title {
    color: var(--neutral-100);
}

[data-theme="dark"] .brand-subtitle {
    color: var(--neutral-400);
}

[data-theme="dark"] .form-label {
    color: var(--neutral-300);
}

[data-theme="dark"] .form-input {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
    color: var(--neutral-100);
}

[data-theme="dark"] .form-input::placeholder {
    color: var(--neutral-500);
}

[data-theme="dark"] .custom-checkbox {
    color: var(--neutral-300);
}

[data-theme="dark"] .custom-checkbox .checkmark {
    border-color: var(--neutral-500);
    background-color: transparent;
}

/* Dark Theme Duotone Icons */
[data-theme="dark"] .fa-duotone {
    --fa-primary-color: var(--primary-400);
    --fa-secondary-color: var(--primary-600);
    --fa-secondary-opacity: 0.6;
}

[data-theme="dark"] .input-icon .fa-duotone {
    --fa-primary-color: var(--neutral-500);
    --fa-secondary-color: var(--neutral-600);
    --fa-secondary-opacity: 0.6;
}

[data-theme="dark"] .form-input:focus + .input-icon .fa-duotone,
[data-theme="dark"] .input-container:focus-within .input-icon .fa-duotone {
    --fa-primary-color: var(--primary-400);
    --fa-secondary-color: var(--primary-500);
    --fa-secondary-opacity: 0.7;
}

[data-theme="dark"] .theme-toggle .fa-duotone {
    --fa-primary-color: var(--neutral-400);
    --fa-secondary-color: var(--neutral-600);
    --fa-secondary-opacity: 0.6;
}

[data-theme="dark"] .theme-toggle:hover .fa-duotone {
    --fa-primary-color: var(--primary-400);
    --fa-secondary-color: var(--primary-500);
    --fa-secondary-opacity: 0.8;
}

/* Dark Theme Simple Toast */
[data-theme="dark"] .simple-toast {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .simple-toast-message {
    color: var(--neutral-100);
}

[data-theme="dark"] .simple-toast-subtitle {
    color: var(--neutral-400);
}

[data-theme="dark"] .simple-toast-close {
    color: var(--neutral-400);
}

[data-theme="dark"] .simple-toast-close:hover {
    color: var(--neutral-200);
    background: var(--neutral-700);
}

[data-theme="dark"] .custom-checkbox:hover {
    color: var(--neutral-200);
}

[data-theme="dark"] .custom-checkbox:hover .checkmark {
    border-color: var(--primary-400);
    background-color: var(--neutral-800);
}

[data-theme="dark"] .custom-checkbox input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

[data-theme="dark"] .checkbox-label {
    color: var(--neutral-300);
}

[data-theme="dark"] .footer-text {
    color: var(--neutral-400);
}



[data-theme="dark"] .password-toggle {
    color: var(--neutral-500);
}

[data-theme="dark"] .password-toggle:hover {
    color: var(--neutral-300);
    background: var(--neutral-700);
}

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

/* Focus Styles for Keyboard Navigation */
.submit-button:focus-visible,
.password-toggle:focus-visible,
.forgot-password:focus-visible,
.custom-checkbox:focus-within {
    outline: none;
    outline-offset: 0;
}