/* ===== VERCEL/NEXT.JS INSPIRED DESIGN ===== */
/* Black & White - Clean, Minimal, Professional */
/* Font: Titillium Web - Applied to ALL elements */

:root {
    /* Pure black & white scale */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: #0c0c0c;
    --bg-hover: #1a1a1a;
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --text-inverse: #000000;
    
    --border-color: #27272a;
    --border-hover: #3f3f46;
    --border-focus: #ffffff;
    
    --accent-solid: #ffffff;
    --accent-hover: #e4e4e7;
    
    --error-bg: #1c1919;
    --error-border: #7f1d1d;
    --error-text: #fecaca;
    
    --success-bg: #0c0c0c;
    --success-border: #22c55e;
    --success-text: #bbf7d0;
    
    --code-bg: #0a0a0a;
    --code-border: #27272a;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: 'Titillium Web', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 16px;
    font-weight: 400;
    min-height: 100vh;
    letter-spacing: 0.3px;
}

/* Apply Titillium Web to all elements */
* {
    font-family: 'Titillium Web', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== NAVBAR - Vercel Style ===== */
.navbar {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(0, 0, 0, 0.85);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left .logo {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Titillium Web', sans-serif;
}

.nav-right {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color 0.2s ease;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

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

/* ===== MAIN CONTENT ===== */
.main {
    flex: 1;
    padding: 4rem 2rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.container {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
}

/* ===== HEADER - Next.js Style ===== */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header-badge {
    margin-bottom: 1rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-family: 'Titillium Web', sans-serif;
}

.header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #ffffff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Titillium Web', sans-serif;
    text-transform: uppercase;
}

.header-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

/* ===== UPLOAD CARD ===== */
.upload-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.upload-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

/* Upload Area */
.upload-area {
    border: 1.5px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--bg-tertiary);
    margin-bottom: 2rem;
}

.upload-area:hover {
    border-color: var(--text-primary);
    background-color: var(--bg-hover);
}

.upload-area.dragover {
    border-color: var(--text-primary);
    background-color: var(--bg-hover);
    border-style: solid;
}

.upload-icon {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.upload-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.upload-text p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

.browse-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-underline-offset: 4px;
    font-weight: 700;
    cursor: pointer;
}

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

/* Expiry Section - Segmented Control */
.expiry-section {
    margin-bottom: 1rem;
}

.expiry-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
    font-family: 'Titillium Web', sans-serif;
}

.expiry-group {
    display: flex;
    gap: 0.5rem;
    padding: 0.25rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: fit-content;
}

.expiry-option {
    position: relative;
    display: flex;
    align-items: center;
}

.expiry-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.expiry-option span {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    background-color: transparent;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.3px;
}

.expiry-option input[type="radio"]:checked + span {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.expiry-option span:hover {
    color: var(--text-primary);
}

/* Upload Progress */
.upload-progress {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.progress-filename {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Titillium Web', sans-serif;
}

.progress-percentage {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Titillium Web', sans-serif;
}

.progress-bar-track {
    width: 100%;
    height: 4px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--text-primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}

.progress-status {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: right;
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

/* ===== RESULT CARD ===== */
.result-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-top: 1.5rem;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.result-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
}

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

.result-title h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.result-title p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    font-family: 'Titillium Web', sans-serif;
}

.info-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Titillium Web', sans-serif;
}

.url-section {
    margin-bottom: 1.5rem;
}

.url-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
    font-family: 'Titillium Web', sans-serif;
}

.url-copy-group {
    display: flex;
    gap: 0.5rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    color: var(--text-secondary);
    outline: none;
    transition: all 0.2s ease;
}

.url-input:focus {
    border-color: var(--border-focus);
    color: var(--text-primary);
}

.copy-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

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

.new-upload-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.new-upload-button:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* ===== ERROR CARD ===== */
.error-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1.25rem;
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: var(--radius-lg);
}

.error-icon {
    color: var(--error-text);
}

.error-content {
    flex: 1;
}

.error-content h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--error-text);
    margin-bottom: 0.25rem;
    font-family: 'Titillium Web', sans-serif;
}

.error-content p {
    font-size: 0.75rem;
    color: var(--error-text);
    opacity: 0.9;
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

.error-dismiss {
    padding: 0.5rem 1rem;
    background-color: transparent;
    border: 1px solid var(--error-border);
    border-radius: var(--radius-md);
    color: var(--error-text);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.error-dismiss:hover {
    background-color: rgba(127, 29, 29, 0.3);
}

/* ===== API DOCUMENTATION ===== */
.docs-section {
    margin-top: 3rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.docs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.docs-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    font-family: 'Titillium Web', sans-serif;
}

.docs-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s ease;
    font-weight: 600;
}

.docs-close:hover {
    color: var(--text-primary);
}

.docs-content {
    padding: 1.5rem;
}

.docs-endpoint {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.endpoint-method {
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    font-family: 'Titillium Web', sans-serif;
}

.endpoint-method.post {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.endpoint-url {
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    color: var(--text-secondary);
}

.docs-description {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-left: 3px solid var(--text-primary);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

.docs-description p {
    margin: 0;
}

.docs-parameters h4,
.docs-example h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.parameter-table {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.parameter-row {
    display: grid;
    grid-template-columns: 120px 80px 1fr;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
}

.parameter-row.header {
    background-color: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    font-family: 'Titillium Web', sans-serif;
}

.parameter-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.parameter-row code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    background-color: var(--bg-hover);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.parameter-row div {
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

.code-block {
    position: relative;
    margin-bottom: 1.5rem;
    background-color: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-block pre {
    padding: 1.25rem;
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.copy-code {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

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

.docs-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}

.note-icon {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.docs-note p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
    font-family: 'Titillium Web', sans-serif;
}

/* ===== FOOTER ===== */
.footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    background-color: var(--bg-primary);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 600;
    font-family: 'Titillium Web', sans-serif;
    letter-spacing: 0.5px;
}

.footer-separator {
    color: var(--border-color);
}

/* ===== UTILITIES ===== */
.hidden {
    display: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }
    
    .main {
        padding: 2rem 1rem;
    }
    
    .header h1 {
        font-size: 2.5rem;
    }
    
    .upload-card {
        padding: 1.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .expiry-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .expiry-option span {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .url-copy-group {
        flex-direction: column;
    }
    
    .parameter-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .parameter-row.header {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-right {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.75rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header-description {
        font-size: 1rem;
    }
    
    .badge {
        font-size: 0.6rem;
    }
    
    .expiry-group {
        flex-wrap: wrap;
    }
    
    .expiry-option {
        flex: 1;
    }
    
    .expiry-option span {
        width: 100%;
        text-align: center;
    }
}

/* ===== TITILLIUM WEB SPECIFIC STYLES ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 700;
    letter-spacing: 0.3px;
}

p, span, div, button, a, label, input {
    font-family: 'Titillium Web', sans-serif;
}

/* Bold weights untuk emphasis */
strong, b {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 700;
}

/* Light weight untuk subtle text */
.light-text {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 400;
}

/* Extra bold untuk headings besar */
.extra-bold {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 900;
}