:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-hover: rgba(51, 65, 85, 0.9);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-color: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-hover: rgba(255, 255, 255, 1);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent: #0284c7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}
body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.3s ease;
}

/* Navbar */
.top-nav {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    padding: 1.5rem;
}

.nav-btn {
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

/* Header & Profile */
header { text-align: center; padding: 1rem; max-width: 600px; }
.profile-img-container { position: relative; width: 120px; height: 120px; margin: 0 auto 1.5rem; }
.profile-img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent); padding: 3px; }
.verified-badge { position: absolute; bottom: 5px; right: 5px; background: var(--accent); color: white; width: 25px; height: 25px; border-radius: 50%; font-size: 12px; display: flex; align-items: center; justify-content: center; border: 2px solid var(--bg-color); }

h1 { font-size: 2rem; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 0.5rem; }
.title { color: var(--text-secondary); margin-bottom: 1rem; font-weight: 600; }
.bio { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.5rem; }

.tech-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tag { background: rgba(56, 189, 248, 0.1); color: var(--accent); padding: 0.3rem 0.8rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }

/* Quick Contact Box */
.quick-contact { background: var(--accent-gradient); padding: 2px; border-radius: 20px; display: inline-block; margin-bottom: 2rem; }
.quick-contact-inner { background: var(--bg-color); padding: 0.8rem 2rem; border-radius: 18px; display: flex; gap: 2rem; }
.quick-contact-inner a { color: var(--text-primary); font-size: 1.4rem; transition: var(--transition); }
.quick-contact-inner a:hover { color: var(--accent); transform: scale(1.2); }

/* Layout Controls */
.controls { margin-bottom: 1.5rem; display: flex; gap: 0.5rem; }
.view-btn { background: transparent; border: 1px solid var(--text-secondary); color: var(--text-secondary); padding: 0.5rem 1rem; border-radius: 8px; cursor: pointer; transition: 0.3s; }
.view-btn.active { background: var(--card-bg); color: var(--accent); border-color: var(--accent); }

/* Links Grid */
.links-container { width: 100%; max-width: 800px; padding: 0 1rem; display: grid; gap: 1rem; margin-bottom: 3rem; }
.links-container.grid-view { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.links-container.list-view { grid-template-columns: 1fr; max-width: 500px; }

.link-card { background: var(--card-bg); border-radius: 16px; padding: 1.5rem; text-decoration: none; color: var(--text-primary); display: flex; flex-direction: column; align-items: center; transition: var(--transition); border: 1px solid rgba(255,255,255,0.05); }
.link-card:hover { transform: translateY(-5px); background: var(--card-hover); border-color: var(--accent); }
.icon-box { font-size: 2rem; margin-bottom: 0.5rem; color: var(--accent); }
.link-title { font-weight: 600; font-size: 0.9rem; }

/* List View Override */
.list-view .link-card { flex-direction: row; gap: 1.5rem; padding: 1rem 1.5rem; }
.list-view .icon-box { font-size: 1.5rem; margin-bottom: 0; }

footer { padding: 2rem; text-align: center; color: var(--text-secondary); font-size: 0.8rem; border-top: 1px solid rgba(255,255,255,0.05); width: 100%; margin-top: auto; }

/* RTL Adjustments */
[dir="rtl"] { text-align: right; }
[dir="rtl"] .top-nav { justify-content: flex-start; }