/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */

:root {
    /* ============================================
       LIGHT MODE - BASE COLORS
       ============================================ */
    --bg-primary: #fff1d2;
    --text-primary: #000000;
    --text-secondary: #1A1A1A;
    --accent-primary: #a558e3;
    --accent-secondary: #c5a440;
    
    --glass-bg: rgba(215, 215, 215, 0.85);
    --glass-border: rgba(0, 0, 0, 0.2);
    --glass-hover-bg: rgba(255, 255, 255, 0.95);
    --glass-hover-border: rgba(0, 0, 0, 0.3);
    
    --shadow-sm: rgba(0, 0, 0, 0.1);
    --shadow-md: rgba(0, 0, 0, 0.15);
    --shadow-lg: rgba(0, 0, 0, 0.2);
    
    --skill-bar-bg: rgba(0, 0, 0, 0.2);
    --skill-bar-shadow: rgba(0, 0, 0, 0.3);
    
    --form-focus-border: var(--accent-primary);
    --form-focus-shadow: rgba(211, 164, 249, 0.2);
    --form-success-color: var(--accent-primary);
    --form-success-bg: rgba(211, 164, 249, 0.15);
    --form-success-border: var(--accent-primary);
    --form-error-color: #C0392B;
    --form-error-bg: rgba(192, 57, 43, 0.15);
    --form-error-border: #C0392B;
    
    --status-finished-color: #4CAF50;
    
    --glass-blur: 8px;
    --glass-opacity: 0.85;
    
    --font-serif: 'Merriweather', 'Libre Baskerville', serif;
    --font-sans: 'Open Sans', 'Lato', sans-serif;
    --font-mono: 'Fira Code', 'Source Code Pro', monospace;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   DARK MODE - BASE COLORS
   ============================================ */
[data-theme="dark"] {
    --bg-primary: #1A1A1A;
    --text-primary: #E5E5E5;
    --text-secondary: #cbcbcb;
    --accent-primary: #C895F0;
    --accent-secondary: #FFE066;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover-bg: rgba(255, 255, 255, 0.08);
    --glass-hover-border: rgba(255, 255, 255, 0.15);
    
    --shadow-sm: rgba(0, 0, 0, 0.3);
    --shadow-md: rgba(0, 0, 0, 0.5);
    --shadow-lg: rgba(0, 0, 0, 0.7);
    
    --skill-bar-bg: rgba(255, 255, 255, 0.1);
    --skill-bar-shadow: rgba(255, 255, 255, 0.2);
    
    --form-focus-border: var(--accent-primary);
    --form-focus-shadow: rgba(200, 149, 240, 0.2);
    --form-success-color: var(--accent-primary);
    --form-success-bg: rgba(200, 149, 240, 0.15);
    --form-success-border: var(--accent-primary);
    --form-error-color: #E74C3C;
    --form-error-bg: rgba(231, 76, 60, 0.15);
    --form-error-border: #E74C3C;
    
    --status-finished-color: #66BB6A;
}

/* ============================================
   BLAHAJ THEME - LIGHT MODE
   ============================================ */
[data-blahaj="true"] {
    --accent-primary: #5BCEFA;
    --accent-primary-text: #1E7A9E;
    --accent-secondary: #F5A9B8;
    --accent-secondary-text: #C87A8F;
    --bg-primary: #FFF5F9;
    --text-primary: #0A0A0A;
    --text-secondary: #1F1F2E;
    
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(0, 0, 0, 0.2);
    --glass-hover-bg: rgba(255, 255, 255, 0.98);
    --glass-hover-border: rgba(91, 206, 250, 0.4);
    
    --shadow-sm: rgba(91, 206, 250, 0.15);
    --shadow-md: rgba(245, 169, 184, 0.2);
    --shadow-lg: rgba(91, 206, 250, 0.25);
    
    --skill-bar-bg: rgba(0, 0, 0, 0.15);
    --skill-bar-shadow: rgba(91, 206, 250, 0.3);
    
    --status-finished-color: #4CAF50;
    
    --form-focus-border: #5BCEFA;
    --form-focus-shadow: rgba(91, 206, 250, 0.25);
    --form-success-color: #1E7A9E;
    --form-success-bg: rgba(91, 206, 250, 0.15);
    --form-success-border: #5BCEFA;
    
    --blahaj-gradient-blue: rgba(91, 206, 250, 0.08);
    --blahaj-gradient-white: rgba(255, 255, 255, 0.05);
    --blahaj-gradient-pink: rgba(245, 169, 184, 0.08);
}

/* ============================================
   BLAHAJ THEME - DARK MODE
   ============================================ */
[data-theme="dark"][data-blahaj="true"] {
    --accent-primary: #5BCEFA;
    --accent-secondary: #F5A9B8;
    --bg-primary: #0A0A12;
    --text-primary: #F5F5FF;
    --text-secondary: #E0E0EF;
    
    --glass-bg: rgba(91, 206, 250, 0.12);
    --glass-border: rgba(245, 169, 184, 0.5);
    --glass-hover-bg: rgba(91, 206, 250, 0.18);
    --glass-hover-border: rgba(245, 169, 184, 0.7);
    
    --shadow-sm: rgba(91, 206, 250, 0.4);
    --shadow-md: rgba(245, 169, 184, 0.5);
    --shadow-lg: rgba(91, 206, 250, 0.6);
    
    --skill-bar-bg: rgba(255, 255, 255, 0.15);
    --skill-bar-shadow: rgba(91, 206, 250, 0.5);
    
    --status-finished-color: #66BB6A;
    
    --form-focus-border: #5BCEFA;
    --form-focus-shadow: rgba(91, 206, 250, 0.4);
    --form-success-color: #5BCEFA;
    --form-success-bg: rgba(91, 206, 250, 0.2);
    --form-success-border: #5BCEFA;
    --form-error-color: #FF6B6B;
    --form-error-bg: rgba(255, 107, 107, 0.2);
    --form-error-border: #FF6B6B;
    
    --blahaj-gradient-blue: rgba(91, 206, 250, 0.18);
    --blahaj-gradient-dark: rgba(10, 10, 18, 0.08);
    --blahaj-gradient-pink: rgba(245, 169, 184, 0.18);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-slow), color var(--transition-slow);
    letter-spacing: 0.02em;
    position: relative;
}

html[data-blahaj="true"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        var(--blahaj-gradient-blue) 0%,
        var(--blahaj-gradient-white) 25%,
        var(--blahaj-gradient-pink) 50%,
        var(--blahaj-gradient-white) 75%,
        var(--blahaj-gradient-blue) 100%
    );
    pointer-events: none;
    z-index: -1;
}

html[data-theme="dark"][data-blahaj="true"] body::before {
    background: linear-gradient(
        135deg,
        var(--blahaj-gradient-blue) 0%,
        var(--blahaj-gradient-dark) 25%,
        var(--blahaj-gradient-pink) 50%,
        var(--blahaj-gradient-dark) 75%,
        var(--blahaj-gradient-blue) 100%
    );
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

[data-blahaj="true"]:not([data-theme="dark"]) a {
    color: var(--accent-primary-text);
}

a:hover {
    color: var(--accent-secondary);
}

[data-blahaj="true"]:not([data-theme="dark"]) a:hover {
    color: var(--accent-secondary-text);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--glass-bg);
    padding: 0.2em 0.4em;
    border-radius: 2px;
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Layout Utilities
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    flex-shrink: 0;
}

.section {
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    pointer-events: none;
}

.section.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

@media (max-width: 900px) {
    .section {
        min-height: auto;
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 300;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-link {
    position: relative;
    padding: var(--spacing-xs) 0;
    color: var(--text-primary);
    font-weight: 400;
    transition: color var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

/* ============================================
   Theme Toggle Buttons
   ============================================ */

.theme-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 0;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
    backdrop-filter: blur(var(--glass-blur));
}

.theme-toggle:hover {
    background: var(--glass-bg);
    opacity: 0.9;
    transform: translateY(-1px);
}

.theme-toggle.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.toggle-label {
    font-weight: 400;
}

.toggle-switch {
    width: 20px;
    height: 20px;
    border: 1px solid currentColor;
    position: relative;
    transition: all var(--transition-base);
}

.theme-toggle.active .toggle-switch::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: currentColor;
}

.blahaj-toggle {
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity var(--transition-base), transform var(--transition-base), display var(--transition-base);
}

.blahaj-toggle.revealed {
    opacity: 1;
    transform: translateX(0);
    display: flex !important;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    margin-top: 80px;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-primary);
}

/* ============================================
   Section Titles
   ============================================ */

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    font-weight: 300;
}

/* ============================================
   About Section
   ============================================ */

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(var(--glass-blur));
    color: var(--text-secondary);
    font-style: italic;
}

.about-text {
    padding: var(--spacing-md);
}

/* ============================================
   Glass Panel Effect
   ============================================ */

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.glass-panel:hover {
    background: var(--glass-hover-bg);
    box-shadow: 0 4px 12px var(--shadow-sm);
    border-color: var(--glass-hover-border);
}

[data-theme="dark"][data-blahaj="true"] .glass-panel {
    box-shadow: 0 0 20px rgba(91, 206, 250, 0.2), 
                0 0 40px rgba(245, 169, 184, 0.1),
                0 4px 12px var(--shadow-sm);
}

[data-theme="dark"][data-blahaj="true"] .glass-panel:hover {
    box-shadow: 0 0 30px rgba(91, 206, 250, 0.4), 
                0 0 60px rgba(245, 169, 184, 0.2),
                0 8px 24px var(--shadow-md);
    border-color: var(--glass-hover-border);
}

[data-blahaj="true"]:not([data-theme="dark"]) .glass-panel {
    box-shadow: 0 2px 8px var(--shadow-sm);
}

[data-blahaj="true"]:not([data-theme="dark"]) .glass-panel:hover {
    box-shadow: 0 4px 16px var(--shadow-md);
    border-color: var(--glass-hover-border);
}

/* ============================================
   Skills Section
   ============================================ */

.skills-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

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

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-percentage {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.skill-bar-container {
    padding: var(--spacing-xs);
    height: 30px;
    display: flex;
    align-items: center;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--skill-bar-bg);
    position: relative;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width 1.5s ease-out;
    box-shadow: 0 0 6px var(--skill-bar-shadow);
}

[data-theme="dark"][data-blahaj="true"] .skill-bar-fill {
    box-shadow: 0 0 10px var(--accent-primary), 
                0 0 20px rgba(91, 206, 250, 0.5),
                0 0 6px var(--skill-bar-shadow);
}

[data-blahaj="true"]:not([data-theme="dark"]) .skill-bar-fill {
    box-shadow: 0 0 8px var(--skill-bar-shadow);
}

/* ============================================
   Projects Section
   ============================================ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--shadow-md);
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.project-summary {
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

[data-blahaj="true"]:not([data-theme="dark"]) .project-summary {
    color: var(--accent-primary-text);
}

.project-description {
    color: var(--text-secondary);
    flex-grow: 1;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
}

.project-status {
    padding: 0.25em 0.75em;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid currentColor;
}

.status-ongoing {
    color: var(--accent-primary);
}

[data-blahaj="true"]:not([data-theme="dark"]) .status-ongoing {
    color: var(--accent-primary-text);
}

.status-finished {
    color: var(--status-finished-color) !important;
}

.status-prototype {
    color: var(--text-secondary);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

    .project-link {
        font-size: 0.875rem;
        padding: 0.5em 0.75em;
        border: 1px solid var(--glass-border);
        transition: all var(--transition-base);
        min-height: 36px;
        display: inline-flex;
        align-items: center;
    }

.project-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-width: 300px;
    transition: max-width var(--transition-base);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--transition-base);
    backdrop-filter: blur(var(--glass-blur));
}

.textarea-wrapper {
    position: relative;
    display: inline-block;
    min-width: 100%;
    max-width: 100%;
    width: 100%;
}

.form-group-message .textarea-wrapper {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.form-group-message textarea {
    resize: both;
    min-width: 100%;
    min-height: 120px;
    max-width: 100%;
    width: 100%;
    display: block;
    box-sizing: border-box;
}

.resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background: var(--glass-border);
    cursor: nwse-resize;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.textarea-wrapper:hover .resize-handle,
.textarea-wrapper:active .resize-handle {
    opacity: 0.5;
}

.resize-handle::after {
    content: '';
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 12px 12px;
    border-color: transparent transparent var(--text-secondary) transparent;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--form-focus-border);
    background: var(--glass-hover-bg);
    box-shadow: 0 0 0 3px var(--form-focus-shadow);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.submit-btn:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-sm);
}

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

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    color: var(--form-success-color);
    background: var(--form-success-bg);
    border: 1px solid var(--form-success-border);
}

.form-message.error {
    color: var(--form-error-color);
    background: var(--form-error-bg);
    border: 1px solid var(--form-error-border);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--spacing-sm) 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: auto;
}

@media (min-width: 901px) {
    body.scroll-locked .footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        z-index: 100;
    }
}

@media (min-width: 901px) {
    body.scroll-locked {
        overflow: hidden;
        height: 100vh;
        position: fixed;
        width: 100%;
    }

    body.scroll-locked main {
        height: 100vh;
        overflow: hidden;
        position: relative;
    }

    body.scroll-locked .hero {
        margin-top: 0;
    }
}

/* ============================================
   Fade-in Animation
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Blahaj Easter Egg Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 2px solid var(--glass-border);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.8) translateY(-20px);
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
    box-shadow: 0 8px 32px var(--shadow-lg);
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    color: var(--accent-primary);
    transform: rotate(90deg) scale(1.1);
}

.modal-body {
    text-align: center;
    padding-top: var(--spacing-md);
}

.modal-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 400;
}

.blahaj-image-container {
    margin: var(--spacing-md) 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.blahaj-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 16px var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.modal-message {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    font-weight: 300;
}

/* ============================================
   Scroll Navigation (Desktop Only)
   ============================================ */

@media (max-width: 900px) {
    .scroll-arrows,
    .scroll-progress {
        display: none;
    }
}

@media (min-width: 901px) {
    .scroll-arrows {
        position: fixed;
        right: calc(var(--spacing-md) + 4px + 12px);
        top: 50%;
        transform: translateY(-50%);
        z-index: 999;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
        pointer-events: none;
        transition: opacity var(--transition-base);
        align-items: center;
        justify-content: center;
        height: 200px;
    }

    .scroll-arrow {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--glass-bg);
        backdrop-filter: blur(var(--glass-blur));
        border: 1px solid var(--glass-border);
        color: var(--text-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all var(--transition-base);
        pointer-events: all;
        opacity: 0.7;
    }

    .scroll-arrow:hover {
        background: var(--glass-hover-bg);
        border-color: var(--glass-hover-border);
        opacity: 1;
        transform: scale(1.1);
    }

    .scroll-arrow:active {
        transform: scale(0.95);
    }

    .scroll-arrow:disabled {
        opacity: 0.3;
        cursor: not-allowed;
        pointer-events: none;
    }

    .scroll-arrow svg {
        width: 20px;
        height: 20px;
    }

    .scroll-arrow-up {
        position: relative;
    }

    .scroll-arrow-down {
        position: relative;
    }

    .scroll-arrow.hidden {
        opacity: 0;
        pointer-events: none;
    }

    .scroll-progress {
        position: fixed;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 200px;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 2px;
        z-index: 998;
        overflow: hidden;
    }

    .scroll-progress-bar {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 0%;
        background: var(--accent-primary);
        transition: height 0.3s ease-out;
        border-radius: 2px;
    }

    [data-theme="dark"] .scroll-progress-bar {
        background: var(--accent-primary);
    }

    [data-blahaj="true"] .scroll-progress-bar {
        background: linear-gradient(to bottom, 
            var(--blahaj-gradient-blue),
            var(--blahaj-gradient-white),
            var(--blahaj-gradient-pink)
        );
    }

    [data-theme="dark"][data-blahaj="true"] .scroll-progress-bar {
        background: linear-gradient(to bottom,
            rgba(91, 206, 250, 0.8),
            rgba(255, 255, 255, 0.6),
            rgba(245, 169, 184, 0.8)
        );
    }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .about-content {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .nav {
        width: 100%;
        order: 3;
    }

    .nav-list {
        width: 100%;
        flex-wrap: wrap;
        gap: var(--spacing-xs) var(--spacing-sm);
        justify-content: flex-start;
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-xs);
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .theme-controls {
        margin-left: auto;
        flex-shrink: 0;
    }

    .hero {
        margin-top: 0;
        padding: var(--spacing-md) 0;
    }

    .hero-content {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .hero-tagline {
        font-size: 1.25rem;
        line-height: 1.5;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-md);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .about-text {
        padding: var(--spacing-sm);
    }

    .skills-grid {
        gap: var(--spacing-sm);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .project-card {
        padding: var(--spacing-sm);
    }

    .project-links {
        flex-wrap: wrap;
    }

    .contact-form {
        padding: var(--spacing-md);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .modal-content {
        width: 95%;
        padding: var(--spacing-md);
        max-height: 85vh;
    }

    .blahaj-image {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .logo h1 {
        font-size: 1.1rem;
    }

    .nav-list {
        font-size: 0.9rem;
        gap: var(--spacing-xs);
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .theme-toggle {
        font-size: 0.75rem;
        padding: 0.5rem var(--spacing-xs);
        min-height: 44px;
        min-width: 44px;
    }

    .toggle-label {
        font-size: 0.7rem;
    }

    .hero {
        padding: var(--spacing-sm) 0;
    }

    .hero-content {
        padding: var(--spacing-sm);
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }

    .section {
        padding: var(--spacing-md) 0;
    }

    .about-image {
        max-width: 250px;
    }

    .about-text {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .skill-header {
        font-size: 0.9rem;
    }

    .skill-percentage {
        font-size: 0.8rem;
    }

    .project-title {
        font-size: 1.25rem;
    }

    .project-summary {
        font-size: 0.9rem;
    }

    .project-description {
        font-size: 0.9rem;
    }

    .project-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .project-links {
        width: 100%;
        flex-wrap: wrap;
    }

    .contact-form {
        padding: var(--spacing-sm);
        min-width: 280px;
    }

    .form-group {
        margin-bottom: var(--spacing-sm);
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        padding: var(--spacing-xs);
        min-height: 44px;
    }

    .form-group textarea {
        min-height: 120px;
    }

    .submit-btn {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
        min-height: 44px;
    }

    .modal-content {
        padding: var(--spacing-sm);
        max-width: 90%;
        max-height: 90vh;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-message {
        font-size: 1rem;
    }

    .blahaj-image {
        max-width: 200px;
    }

    .modal-close {
        width: 36px;
        height: 36px;
        font-size: 1.5rem;
    }
}

@media (max-width: 360px) {
    .header-container {
        padding: var(--spacing-xs);
    }

    .logo h1 {
        font-size: 1rem;
    }

    .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem var(--spacing-xs);
    }

    .theme-toggle {
        font-size: 0.7rem;
        padding: 0.4rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .about-image {
        max-width: 200px;
    }

    .contact-form {
        padding: var(--spacing-xs);
        min-width: 260px;
    }

    .project-title {
        font-size: 1.1rem;
    }

    .modal-content {
        padding: var(--spacing-xs);
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .blahaj-image {
        max-width: 180px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-md);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}