/* HF-Master Shared Styles */

/* CSS Variables for theming */
:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #ffe66d;
    --background-dark: #0f172a;
    --background-light: #111827;
    --surface-elevated: rgba(17, 24, 39, 0.82);
    --surface-soft: rgba(255, 255, 255, 0.05);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-radius: 16px;
    --box-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
    --border-color: rgba(255, 255, 255, 0.12);
}

/* Global Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(78, 205, 196, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(255, 107, 107, 0.16), transparent 32%),
        linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: var(--text-primary);
}

.main {
    background: transparent;
}

/* Streamlit shell polish */
.block-container {
    padding-top: 2rem;
    padding-bottom: 2rem;
    max-width: 1200px;
}

div[data-testid="stHeader"] {
    background: transparent;
}

div[data-testid="stSidebar"] {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(17, 24, 39, 0.96) 100%);
    border-right: 1px solid var(--border-color);
}

div[data-testid="stToolbar"] {
    background: transparent;
}

/* Hero / surface helpers */
.hero {
    background:
        linear-gradient(135deg, rgba(78, 205, 196, 0.12), rgba(255, 107, 107, 0.14)),
        rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    margin: 0 0 1.5rem 0;
    box-shadow: var(--box-shadow);
    text-align: center;
    backdrop-filter: blur(14px);
}

.hero h1,
.hero h2,
.hero p {
    margin: 0;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.glass-card,
.project-card,
.info-card,
.metric-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(14px);
}

/* Card Styles */
.project-card {
    padding: 1.5rem;
    margin: 1rem 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 52px rgba(0, 0, 0, 0.35);
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(46, 204, 113, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.badge-warning {
    background-color: rgba(243, 156, 18, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.badge-error {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.badge-info {
    background-color: rgba(78, 205, 196, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

/* Tech Stack Tags */
.tech-tag {
    display: inline-block;
    background-color: rgba(255, 107, 107, 0.15);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: 'Monaco', 'Menlo', monospace;
    margin: 0.125rem;
}

/* Markdown Content Styles */
.markdown-content {
    line-height: 1.7;
}

.markdown-content h1 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-top: 1.5rem;
}

.markdown-content h2 {
    color: var(--secondary-color);
    margin-top: 1.25rem;
}

.markdown-content h3 {
    color: var(--accent-color);
}

.markdown-content code {
    background-color: rgba(0, 0, 0, 0.35);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875em;
}

.markdown-content pre {
    background-color: rgba(2, 6, 23, 0.8);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

/* Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.data-table th {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.data-table tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Animation Classes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Streamlit input polish */
div[data-baseweb="input"],
div[data-baseweb="textarea"],
div[data-baseweb="select"] {
    background: rgba(255, 255, 255, 0.03);
}

textarea,
input,
select {
    color: var(--text-primary) !important;
}

div[data-testid="stTextInput"] input,
div[data-testid="stTextArea"] textarea,
div[data-testid="stSelectbox"] div {
    border-radius: 14px !important;
    border-color: var(--border-color) !important;
}

div[data-testid="stButton"] > button {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: linear-gradient(135deg, var(--primary-color), #fb7185);
    color: white;
    font-weight: 700;
    padding: 0.7rem 1.15rem;
    box-shadow: 0 14px 30px rgba(255, 107, 107, 0.22);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

div[data-testid="stButton"] > button:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(255, 107, 107, 0.28);
}

div[data-testid="stMetric"] {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 0.8rem 1rem;
    box-shadow: var(--box-shadow);
}

/* Small utility wrappers for markdown HTML blocks */
.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
}

/* Metric Cards */
.metric-card {
    background: linear-gradient(135deg, var(--background-light) 0%, rgba(78, 205, 196, 0.1) 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(78, 205, 196, 0.2);
}

.metric-card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.metric-card .label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Gradio Overrides */
.gradio-container {
    max-width: 1200px !important;
    margin: 0 auto !important;
}

/* Tab Styles */
.tab-nav button {
    background-color: transparent !important;
    border: none !important;
    border-bottom: 3px solid transparent !important;
    transition: all 0.2s ease;
}

.tab-nav button:hover {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

.tab-nav button.selected {
    border-bottom-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

/* Footer Styles */
.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.complete {
    background-color: var(--success-color);
}

.status-dot.in-progress {
    background-color: var(--warning-color);
    animation: pulse 2s infinite;
}

.status-dot.planned {
    background-color: var(--text-secondary);
}

/* Difficulty Badges */
.difficulty {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.difficulty.beginner {
    background-color: rgba(46, 204, 113, 0.2);
    color: #2ECC71;
}

.difficulty.intermediate {
    background-color: rgba(243, 156, 18, 0.2);
    color: #F39C12;
}

.difficulty.advanced {
    background-color: rgba(231, 76, 60, 0.2);
    color: #E74C3C;
}

.difficulty.expert {
    background-color: rgba(155, 89, 182, 0.2);
    color: #9B59B6;
}

/* Responsive Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

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

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Hidden utility */
.hidden {
    display: none !important;
}