/* ===================================
   PPMS Typography System - Engaging & Student-Friendly
   ================================== */

/* === Google Fonts Import === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;300;400;500;600;700;800;900&family=Poppins:wght@100;300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* === Base Typography === */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    font-weight: var(--font-weight-normal);
    letter-spacing: var(--letter-spacing-normal);
}

/* === Heading Styles - More Engaging === */
.heading-display {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

.heading-1 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.heading-2 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.heading-3 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.heading-4 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* === Body Text Styles === */
.text-lead {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.text-body {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.text-small {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-muted);
}

.text-tiny {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-light);
}

/* === Special Text Effects === */
.text-gradient {
    /* Fallback color for browsers that don't support background-clip */
    color: var(--primary-color);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

/* Fallback for unsupported browsers */
@supports not (-webkit-background-clip: text) {
    .text-gradient {
        color: var(--primary-color) !important;
        background: none !important;
    }
}

.text-gradient-secondary {
    /* Fallback color */
    color: var(--secondary-color);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

@supports not (-webkit-background-clip: text) {
    .text-gradient-secondary {
        color: var(--secondary-color) !important;
        background: none !important;
    }
}

.text-gradient-success {
    /* Fallback color */
    color: var(--success-color);
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

@supports not (-webkit-background-clip: text) {
    .text-gradient-success {
        color: var(--success-color) !important;
        background: none !important;
    }
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text-glow {
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

/* === Interactive Text === */
.text-hover-gradient {
    transition: var(--transition-normal);
    cursor: pointer;
    color: var(--text-primary);
}

.text-hover-gradient:hover {
    color: var(--primary-color);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(-1px);
}

/* Fallback for unsupported browsers */
@supports not (-webkit-background-clip: text) {
    .text-hover-gradient:hover {
        color: var(--primary-color) !important;
        background: none !important;
    }
}

/* === Emphasis Styles === */
.text-highlight {
    background: linear-gradient(120deg, rgba(102, 126, 234, 0.1) 0%, rgba(102, 126, 234, 0.2) 100%);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
}

.text-badge {
    display: inline-block;
    background: var(--primary-gradient);
    color: var(--text-white);
    padding: 0.25em 0.75em;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

/* === Code and Monospace === */
.text-code {
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    background: var(--bg-gray-100);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

/* === Responsive Typography === */
@media (max-width: 768px) {
    .heading-display {
        font-size: var(--font-size-4xl);
    }
    
    .heading-1 {
        font-size: var(--font-size-3xl);
    }
    
    .heading-2 {
        font-size: var(--font-size-2xl);
    }
    
    .heading-3 {
        font-size: var(--font-size-xl);
    }
    
    .text-lead {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .heading-display {
        font-size: var(--font-size-3xl);
    }
    
    .heading-1 {
        font-size: var(--font-size-2xl);
    }
    
    .heading-2 {
        font-size: var(--font-size-xl);
    }
}

/* === Animation Classes === */
.text-animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.text-animate-slide-in {
    animation: slideInRight 0.8s ease-out;
}

.text-animate-bounce {
    animation: bounceIn 1s ease-out;
}

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

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* === Utility Classes === */
.font-display { font-family: var(--font-family-display); }
.font-body { font-family: var(--font-family-body); }
.font-mono { font-family: var(--font-family-mono); }

.font-thin { font-weight: var(--font-weight-thin); }
.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }
.font-black { font-weight: var(--font-weight-black); }

.leading-none { line-height: var(--line-height-none); }
.leading-tight { line-height: var(--line-height-tight); }
.leading-snug { line-height: var(--line-height-snug); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

.tracking-tighter { letter-spacing: var(--letter-spacing-tighter); }
.tracking-tight { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider { letter-spacing: var(--letter-spacing-wider); }
.tracking-widest { letter-spacing: var(--letter-spacing-widest); }

/* === Student-Friendly Engaging Elements === */
.text-fun {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    /* Fallback color */
    color: var(--primary-color);
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

/* Fallback for unsupported browsers */
@supports not (-webkit-background-clip: text) {
    .text-fun {
        color: var(--primary-color) !important;
        background: none !important;
        animation: none !important;
    }
}

.text-exciting {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-extrabold);
    font-size: 1.2em;
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    transform: perspective(500px) rotateX(15deg);
    transition: all 0.3s ease;
}

.text-exciting:hover {
    transform: perspective(500px) rotateX(0deg) scale(1.05);
    text-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.text-playful {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.text-playful::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.text-playful:hover::after {
    transform: scaleX(1);
}

.text-bounce {
    animation: gentleBounce 2s ease-in-out infinite;
}

.text-pulse {
    animation: gentlePulse 2s ease-in-out infinite;
}

.text-wiggle {
    animation: gentleWiggle 1s ease-in-out infinite;
}

/* === Interactive Text Effects === */
.text-interactive {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.text-interactive::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.text-interactive:hover::before {
    left: 100%;
}

.text-sparkle {
    position: relative;
    overflow: hidden;
}

.text-sparkle::after {
    content: '✨';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 0.8em;
    opacity: 0;
    animation: sparkle 2s ease-in-out infinite;
}

/* === Motivational Text Styles === */
.text-motivational {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    /* Fallback color */
    color: var(--success-color);
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    font-size: 1.1em;
    margin: 1rem 0;
}

@supports not (-webkit-background-clip: text) {
    .text-motivational {
        color: var(--success-color) !important;
        background: none !important;
    }
}

.text-achievement {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-extrabold);
    /* Fallback color */
    color: var(--secondary-color);
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    font-size: 0.9em;
}

@supports not (-webkit-background-clip: text) {
    .text-achievement {
        color: var(--secondary-color) !important;
        background: none !important;
    }
}

/* === Keyframe Animations === */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes gentlePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.9; }
}

@keyframes gentleWiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(1deg); }
    75% { transform: rotate(-1deg); }
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0.5) rotate(0deg); }
    50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

/* === Status and Badge Enhancements === */
.status-text-pending {
    color: #f59e0b;
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 2px rgba(245, 158, 11, 0.2);
}

.status-text-success {
    color: #10b981;
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 2px rgba(16, 185, 129, 0.2);
}

.status-text-info {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 2px rgba(102, 126, 234, 0.2);
}

/* === Text Visibility Fixes === */
/* Ensure text is always visible with high contrast fallbacks */
.text-gradient,
.text-fun,
.text-motivational,
.text-achievement {
    /* Force visible text if gradient fails */
    text-shadow: none;
    -webkit-text-stroke: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .text-gradient,
    .text-fun,
    .text-motivational,
    .text-achievement {
        color: var(--text-primary) !important;
        background: none !important;
        -webkit-text-fill-color: unset !important;
    }
}

/* === Mobile Optimizations === */
@media (max-width: 768px) {
    .text-fun,
    .text-exciting,
    .text-playful {
        font-size: 0.9em;
        /* Ensure visibility on mobile */
        color: var(--primary-color);
    }

    .text-motivational {
        font-size: 1em;
        color: var(--success-color);
    }

    .text-achievement {
        font-size: 0.8em;
        letter-spacing: var(--letter-spacing-normal);
        color: var(--secondary-color);
    }
}