/* ============================================
   ROOT VARIABLES
============================================ */
:root {
    --bg: #0b0b12;
    --bg-card: #13131e;
    --bg-elevated: #1a1a2a;
    --bg-hover: #22223a;
    --border: #28283a;
    --border-hover: #3a3a52;
    --text: #e8e8f0;
    --text-secondary: #8a8aaa;
    --text-muted: #5a5a72;
    --accent: #f5b400;
    --accent-dim: rgba(245, 180, 0, 0.12);
    --success: #4ade80;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: 0.25s ease;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;

    /* Platform Colors */
    --twitter: #1da1f2;
    --threads: #ffffff;
    --pinterest: #e60023;
    --youtube: #ff0000;
    --github: #f0f6fc;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 24px 16px;
}

.container {
    max-width: 820px;
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 24px 32px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

/* ============================================
   HEADER
============================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke: var(--accent);
}

.header h1 {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #f5b400, #ff6b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header h1 span {
    background: linear-gradient(135deg, #f5b400, #ff6b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid var(--border);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.header-actions {
    display: flex;
    gap: 8px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-back:hover {
    background: var(--border);
    color: var(--text);
    border-color: var(--border-hover);
}

.btn-back i {
    width: 18px;
    height: 18px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 22px;
    padding-left: 2px;
}

/* ============================================
   SEARCH CARD
============================================ */
.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    margin-bottom: 20px;
}

.platform-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
}

.platform-btn i {
    width: 16px;
    height: 16px;
}

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

.platform-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}

.platform-btn.active[data-platform="twitter"] {
    border-color: var(--twitter);
    color: var(--twitter);
    background: rgba(29, 161, 242, 0.1);
}
.platform-btn.active[data-platform="threads"] {
    border-color: var(--threads);
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}
.platform-btn.active[data-platform="pinterest"] {
    border-color: var(--pinterest);
    color: var(--pinterest);
    background: rgba(230, 0, 35, 0.1);
}
.platform-btn.active[data-platform="youtube"] {
    border-color: var(--youtube);
    color: var(--youtube);
    background: rgba(255, 0, 0, 0.1);
}
.platform-btn.active[data-platform="github"] {
    border-color: var(--github);
    color: var(--github);
    background: rgba(240, 246, 252, 0.05);
}

.input-row {
    display: flex;
    gap: 12px;
}

.input-row input {
    flex: 1;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    padding: 12px 16px;
    outline: none;
    transition: border-color var(--transition);
}

.input-row input:focus {
    border-color: var(--accent);
}

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

.input-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 10px;
}

.input-hint strong {
    color: var(--text-secondary);
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    min-height: 48px;
    min-width: 120px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #f5b400, #d49a00);
    color: #0b0b12;
}

.btn-primary:hover:not(:disabled) {
    background: #ffcc00;
    transform: scale(1.01);
    box-shadow: 0 4px 20px rgba(245, 180, 0, 0.25);
}

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

.btn-secondary:hover {
    background: var(--border);
    color: var(--text);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

/* ============================================
   LOADING
============================================ */
.loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 30px 0;
    color: var(--text-secondary);
}

.loading.show {
    display: flex;
}

.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ============================================
   ERROR
============================================ */
.error {
    display: none;
    padding: 14px 18px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: #f87171;
    font-size: 14px;
    margin-top: 12px;
}

.error.show {
    display: block;
}

/* ============================================
   RESULT
============================================ */
.result {
    display: none;
    margin-top: 20px;
}

.result.show {
    display: block;
}

/* ============================================
   PROFILE CARD
============================================ */
.profile-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

.profile-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    flex-wrap: wrap;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border);
    flex-shrink: 0;
    background: var(--bg);
}

.profile-info {
    flex: 1;
    min-width: 160px;
}

.profile-info h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.profile-info .profile-username {
    font-size: 14px;
    color: var(--text-secondary);
}

.profile-badges {
    display: flex;
    gap: 6px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.profile-badges .badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-verified {
    background: rgba(74, 222, 128, 0.15);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.badge-admin {
    background: rgba(245, 180, 0, 0.15);
    color: var(--accent);
    border: 1px solid rgba(245, 180, 0, 0.2);
}

.profile-platform {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--bg);
    border: 1px solid var(--border);
}

.profile-platform i {
    width: 20px;
    height: 20px;
}

.profile-platform.platform-twitter i {
    color: var(--twitter);
}
.profile-platform.platform-threads i {
    color: var(--text);
}
.profile-platform.platform-pinterest i {
    color: var(--pinterest);
}
.profile-platform.platform-youtube i {
    color: var(--youtube);
}
.profile-platform.platform-github i {
    color: var(--github);
}

.profile-bio {
    margin: 14px 0 18px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   STATS
============================================ */
.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 8px;
    margin-bottom: 18px;
}

.stat-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    text-align: center;
}

.stat-item .stat-value {
    display: block;
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
}

.stat-item .stat-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   DETAILS
============================================ */
.profile-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.detail-row {
    display: flex;
    gap: 12px;
    font-size: 13px;
}

.detail-row .detail-label {
    color: var(--text-muted);
    font-weight: 500;
    min-width: 70px;
}

.detail-row .detail-value {
    color: var(--text-secondary);
    word-break: break-all;
}

.detail-row .detail-value a {
    color: var(--accent);
    text-decoration: none;
}

.detail-row .detail-value a:hover {
    text-decoration: underline;
}

/* ============================================
   EXTRA DATA
============================================ */
.extra-data {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-bottom: 16px;
}

.extra-data h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.extra-data .extra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}

.extra-data .extra-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 8px 12px;
}

.extra-data .extra-item .extra-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.extra-data .extra-item .extra-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
}

/* ============================================
   ACTIONS
============================================ */
.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.actions .btn {
    flex: 1;
    min-width: 140px;
}

/* ============================================
   FOOTER
============================================ */
.page-footer {
    border-top: 1px solid var(--border);
    padding: 20px 0 0 0;
    margin-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.page-footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 600px) {
    .container {
        padding: 16px 12px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
    }

    .btn-back {
        width: 100%;
        justify-content: center;
    }

    .input-row {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        min-width: unset;
    }

    .platform-selector {
        gap: 4px;
    }

    .platform-btn {
        font-size: 10px;
        padding: 6px 10px;
    }

    .platform-btn span {
        display: none;
    }

    .profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

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

    .actions {
        flex-direction: column;
    }

    .actions .btn {
        min-width: unset;
    }

    .extra-data .extra-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SCROLLBAR
============================================ */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}