/* ========================================
   Discord Tools - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Background colors */
    --color-bg-deep: #0a0a0b;
    --color-bg: #111113;
    --color-bg-elevated: #18181b;
    --color-bg-card: #1c1c1f;
    --color-bg-hover: #232326;

    /* Accent colors */
    --color-accent: #22d3ee;
    --color-accent-dark: #1eb8d1;
    --color-accent-soft: rgba(34, 211, 238, 0.15);
    --color-secondary: #a78bfa;

    /* Text colors */
    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    /* Status colors */
    --color-success: #22c55e;
    --color-success-soft: rgba(34, 197, 94, 0.15);
    --color-warning: #fbbf24;
    --color-warning-soft: rgba(251, 191, 36, 0.15);
    --color-danger: #ef4444;
    --color-danger-soft: rgba(239, 68, 68, 0.15);

    /* Border colors */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(34, 211, 238, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg-deep);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg-deep);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 11, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: 'Sora', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.nav-brand i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.nav-brand:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: var(--color-bg-elevated);
}

.mobile-menu-toggle {
    display: none;
    padding: var(--space-xs);
    color: var(--color-text);
    font-size: 1.25rem;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-sm);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-link {
        width: 100%;
        text-align: center;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--color-accent-soft) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    animation: fadeUp 0.8s ease forwards;
}

.hero-icon {
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.hero-icon i {
    font-size: 3rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 20px var(--color-accent));
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg-deep);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

/* ========================================
   Tools Section
   ======================================== */
.tools-section {
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-xs);
}

.section-description {
    color: var(--color-text-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

/* Tool Card */
.tool-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.tool-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.tool-card-content {
    flex: 1;
    min-width: 0;
}

.tool-card-title {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.tool-card-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.tool-card-arrow {
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.tool-card:hover .tool-card-arrow {
    color: var(--color-accent);
    transform: translateX(4px);
}

/* ========================================
   Tool Page Layout
   ======================================== */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-2xl);
}

.tool-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.tool-header-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.tool-header h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-xs);
}

.tool-header p {
    color: var(--color-text-secondary);
}

.tool-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.tool-section-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

/* ========================================
   Results
   ======================================== */
.result {
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.result-success {
    border-color: var(--color-success);
    background: var(--color-success-soft);
}

.result-error {
    border-color: var(--color-danger);
    background: var(--color-danger-soft);
}

.result-warning {
    border-color: var(--color-warning);
    background: var(--color-warning-soft);
}

.result-title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.result-content {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    word-break: break-all;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.result-item {
    padding: var(--space-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.result-item-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.result-item-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9375rem;
    color: var(--color-text);
    word-break: break-all;
}

/* Copy Button */
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 0.75rem;
    background: var(--color-bg-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border-color: var(--color-border-hover);
}

.copy-btn.copied {
    background: var(--color-success-soft);
    border-color: var(--color-success);
    color: var(--color-success);
}

/* ========================================
   Info Cards
   ======================================== */
.info-card {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.info-card:last-child {
    margin-bottom: 0;
}

.info-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.info-card-avatar.square {
    border-radius: var(--radius-md);
}

.info-card-content {
    flex: 1;
    min-width: 0;
}

.info-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.info-card-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.info-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.info-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* ========================================
   Stats Grid
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-sm);
}

.stat-card {
    text-align: center;
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ========================================
   Image Preview
   ======================================== */
.image-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
}

.image-preview img {
    max-width: 256px;
    max-height: 256px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.image-preview-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
}

/* ========================================
   Download Buttons
   ======================================== */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-sm);
}

.download-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--space-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-fast);
}

.download-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.download-btn i {
    font-size: 1.25rem;
}

.download-btn span {
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: 'Sora', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.footer-brand i {
    color: var(--color-accent);
}

.footer-text {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ========================================
   Scroll to Top
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 50;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-accent);
    color: var(--color-bg-deep);
    border-color: var(--color-accent);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

.text-success {
    color: var(--color-success);
}

.text-danger {
    color: var(--color-danger);
}

.text-accent {
    color: var(--color-accent);
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden {
    display: none !important;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .hero {
        min-height: 50vh;
        padding: calc(70px + var(--space-xl)) 0 var(--space-xl);
    }

    .hero-icon i {
        font-size: 2.5rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-container {
        padding: calc(70px + var(--space-lg)) var(--space-sm) var(--space-xl);
    }

    .tool-header {
        padding: var(--space-md);
    }

    .tool-section {
        padding: var(--space-md);
    }

    .info-card {
        flex-direction: column;
        text-align: center;
    }

    .info-card-avatar {
        margin: 0 auto;
    }

    .info-card-meta {
        justify-content: center;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }

    .scroll-top {
        bottom: var(--space-sm);
        right: var(--space-sm);
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

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

    html {
        scroll-behavior: auto;
    }
}