/* 
 * IdeaDev Auth - Modern Nature-Inspired Design
 * Color Palette: Monochrome with Nature Backgrounds
 * Typography: System fonts for optimal performance
 * Features: Dark/Light mode, Fluid animations, Glass morphism
 */

/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    /* Light Mode Colors - Monochrome Slate Gradient */
    --primary: #334155;        /* Slate 700 */
    --primary-hover: #1e293b;  /* Slate 800 */
    --primary-light: #f1f5f9;  /* Slate 100 */
    --primary-gradient: linear-gradient(135deg, #475569 0%, #1e293b 100%);
    --primary-gradient-overlay: linear-gradient(135deg, rgba(71, 85, 105, 0.85) 0%, rgba(30, 41, 59, 0.85) 100%);
    
    --text-primary: #0f172a;   /* Slate 900 */
    --text-secondary: #475569; /* Slate 600 */
    --text-tertiary: #64748b;  /* Slate 500 */
    --text-white: #FFFFFF;
    
    --background: #FFFFFF;     /* Pure White */
    --surface: #F8FAFC;        /* Slate 50 */
    --border: #E2E8F0;         /* Slate 200 */
    --input-bg: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.25);
    
    --success: #10B981;        /* Emerald 500 */
    --success-bg: rgba(16, 185, 129, 0.15);
    --success-border: rgba(16, 185, 129, 0.3);
    --error: #EF4444;          /* Red 500 */
    --error-bg: rgba(239, 68, 68, 0.15);
    --error-border: rgba(239, 68, 68, 0.3);
    --warning: #F59E0B;        /* Amber 500 */
    --warning-bg: rgba(245, 158, 11, 0.15);
    --warning-border: rgba(245, 158, 11, 0.3);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 15px;
    --font-size-sm: 13px;
    --font-size-xs: 11px;
    --font-size-lg: 17px;
    --font-size-xl: 28px;
    --font-size-2xl: 36px;
    --font-size-3xl: 52px;
    
    /* Spacing */
    --spacing-xs: 6px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Border Radius - Pill Shapes */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 9999px;
    
    /* Shadows - Glassmorphism */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(71, 85, 105, 0.2);
    
    /* Transitions */
    --transition: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
    --primary: #64748b;        /* Slate 500 */
    --primary-hover: #475569;  /* Slate 600 */
    --primary-light: #1e293b;  /* Slate 800 */
    --primary-gradient: linear-gradient(135deg, #64748b 0%, #334155 100%);
    --primary-gradient-overlay: linear-gradient(135deg, rgba(100, 116, 139, 0.85) 0%, rgba(51, 65, 85, 0.85) 100%);
    
    --text-primary: #f1f5f9;   /* Slate 100 */
    --text-secondary: #cbd5e1; /* Slate 300 */
    --text-tertiary: #94a3b8;  /* Slate 400 */
    --text-white: #FFFFFF;
    
    --background: #0f172a;     /* Slate 900 */
    --surface: #1e293b;        /* Slate 800 */
    --border: #334155;         /* Slate 700 */
    --input-bg: rgba(30, 41, 59, 0.9);
    --glass-bg: rgba(30, 41, 59, 0.3);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(100, 116, 139, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================
   BASE STYLES
   ============================================ */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Smooth page entry animation */
@keyframes pageEntry {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.split-container,
.verify-container {
    animation: pageEntry var(--transition-slow) ease-out;
}

/* ============================================
   SPLIT LAYOUT
   ============================================ */
.split-container {
    display: flex;
    min-height: 100vh;
}

.split-left {
    flex: 0 0 45%;
    background: url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?q=80&w=2070') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.split-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient-overlay);
    z-index: 0;
    animation: gradientShift 8s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% {
        opacity: 0.85;
    }
    100% {
        opacity: 0.75;
    }
}

.brand-content {
    position: relative;
    z-index: 1;
    color: var(--text-white);
    max-width: 500px;
}

.brand-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.brand-tagline {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.brand-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-base);
    opacity: 0.95;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.brand-feature:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(8px);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    color: white;
}

.brand-feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
}

.split-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--surface);
}

.form-container {
    width: 100%;
    max-width: 560px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
}

.form-container h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.form-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ============================================
   MODERN FORMS
   ============================================ */
.modern-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--input-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--border);
    border-radius: var(--radius-pill);
    transition: all var(--transition);
    outline: none;
    position: relative;
}

/* Smooth label float animation */
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label {
    transform: translateY(-28px) scale(0.85);
    color: var(--primary);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    background: var(--background);
    box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-glow);
    transform: translateY(-2px) scale(1.01);
    animation: inputPulse 0.6s ease-out;
}

@keyframes inputPulse {
    0%, 100% {
        box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-glow);
    }
    50% {
        box-shadow: 0 0 0 6px var(--primary-light), var(--shadow-glow);
    }
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748B' d='M1.41 0L6 4.59L10.59 0L12 1.41l-6 6l-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

/* ============================================
   MODERN CHECKBOX
   ============================================ */
.modern-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.modern-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.checkbox-label {
    line-height: 1.6;
}

.inline-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    position: relative;
}

.inline-link:hover {
    color: var(--primary-hover);
}

.inline-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--primary-gradient);
    transition: width var(--transition);
}

.inline-link:hover::after {
    width: 100%;
}

/* ============================================
   FORM OPTIONS ROW
   ============================================ */
.form-options-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.form-options-row .modern-checkbox {
    margin: 0;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */
.btn-modern {
    width: 100%;
    padding: 16px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    letter-spacing: 0.3px;
}

.btn-primary-modern {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 8px 24px rgba(71, 85, 105, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary-modern:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary-modern:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(71, 85, 105, 0.4), var(--shadow-glow);
    animation: buttonFloat 2s ease-in-out infinite;
}

@keyframes buttonFloat {
    0%, 100% {
        transform: translateY(-3px) scale(1.02);
    }
    50% {
        transform: translateY(-5px) scale(1.02);
    }
}

.btn-primary-modern:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 4px 16px rgba(71, 85, 105, 0.25);
}

.btn-modern:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   GLASS-TINTED ALERT TILES
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    animation: alertSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    animation: alertPulse 2s ease-in-out infinite;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes alertPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.alert-success::before {
    background: var(--success);
}

.alert-error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error);
}

.alert-error::before {
    background: var(--error);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}

.alert-warning::before {
    background: var(--warning);
}

.alert-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    animation: iconBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes iconBounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.alert-message {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 500;
}

.alert-close {
    width: 20px;
    height: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* Spinner */
.spinner {
    animation: rotate 1s linear infinite;
    width: 20px;
    height: 20px;
}

.spinner .path {
    stroke: white;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* ============================================
   FORM FOOTER
   ============================================ */
.form-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================
   MESSAGES - Glassmorphism
   ============================================ */
.error-message,
.success-message {
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
    border-left: 4px solid;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-message {
    background: rgba(254, 242, 242, 0.9);
    border-color: var(--error);
    color: #991B1B;
}

.success-message {
    background: rgba(240, 253, 244, 0.9);
    border-color: var(--success);
    color: #166534;
}

/* ============================================
   PASSWORD STRENGTH - Enhanced
   ============================================ */
.password-strength {
    margin-top: var(--spacing-xs);
    height: 6px;
    background: var(--border);
    border-radius: var(--radius-pill);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
}

.password-strength::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    transition: all var(--transition);
    border-radius: var(--radius-pill);
}

.password-strength.weak::after {
    background: linear-gradient(90deg, var(--error) 0%, #FCA5A5 100%);
    width: 33%;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.password-strength.medium::after {
    background: linear-gradient(90deg, var(--warning) 0%, #FCD34D 100%);
    width: 66%;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.password-strength.strong::after {
    background: linear-gradient(90deg, var(--success) 0%, #6EE7B7 100%);
    width: 100%;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .split-left {
        flex: 0 0 40%;
    }
    
    .brand-title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 768px) {
    .split-container {
        flex-direction: column;
    }
    
    .split-left {
        flex: 1;
        min-height: 300px;
        padding: var(--spacing-xl);
    }
    
    .split-left::before {
        display: none;
    }
    
    .brand-content {
        text-align: center;
    }
    
    .brand-features {
        display: none;
    }
    
    .split-right {
        padding: var(--spacing-lg);
    }
    
    .form-container {
        padding: var(--spacing-lg);
        box-shadow: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .split-left {
        min-height: 200px;
        padding: var(--spacing-lg);
    }
    
    .brand-title {
        font-size: var(--font-size-xl);
    }
    
    .brand-tagline {
        font-size: var(--font-size-base);
    }
    
    .form-container {
        padding: var(--spacing-md);
    }
    
    .form-container h2 {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   OLD STYLES COMPATIBILITY
   ============================================ */
.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--surface);
}

.auth-card {
    background: var(--background);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 480px;
}

.logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Buttons compatibility */
.btn {
    width: 100%;
    padding: 14px 24px;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

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

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-lg);
}

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

.theme-toggle svg {
    width: 24px;
    height: 24px;
    position: absolute;
    transition: all var(--transition);
    color: var(--text-primary);
}

.sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

.theme-toggle.dark-mode .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-toggle.dark-mode .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: rippleEffect 0.6s ease-out;
}

@keyframes rippleEffect {
    from {
        transform: scale(0);
        opacity: 1;
    }
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Smooth theme transition */
* {
    transition: background-color var(--transition-slow), 
                color var(--transition-slow), 
                border-color var(--transition-slow);
}

/* Prevent transition on page load */
.no-transition * {
    transition: none !important;
}