:root {
    --bg-main: #0b0b10;
    --bg-alt: #0f172a;
    --bg-card: #111827;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --border: #243244;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-soft: rgba(56, 189, 248, 0.18);
}

body {
    background:
        radial-gradient(circle at 15% -10%, rgba(56, 189, 248, 0.12), transparent 36%),
        radial-gradient(circle at 90% 0%, rgba(14, 165, 233, 0.08), transparent 30%),
        linear-gradient(180deg, var(--bg-main), var(--bg-alt));
    color: var(--text-main);
    font-family: Inter, Roboto, "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
    color: #f9fafb;
    letter-spacing: 0.01em;
}

.mw-text {
    max-width: 70ch;
}

.app-navbar {
    background: rgba(11, 11, 16, 0.9);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

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

.nav-link:hover,
.nav-link:focus {
    color: #ffffff;
}

.card-dark {
    background: linear-gradient(160deg, rgba(17, 24, 39, 0.96), rgba(15, 23, 42, 0.96));
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.meta {
    color: var(--text-muted);
    font-size: 0.92rem;
}

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

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #03111a;
    font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-outline-accent {
    color: var(--accent);
    border: 1px solid var(--accent);
    background: rgba(0, 0, 0, 0.12);
}

.btn-outline-accent:hover,
.btn-outline-accent:focus {
    color: #ffffff;
    background: var(--accent);
}

.link-accent {
    color: var(--accent);
    text-decoration: none;
    text-underline-offset: 3px;
}

.link-accent:hover,
.link-accent:focus {
    color: #60a5fa;
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-control:focus,
.form-select:focus {
    outline: 2px solid #93c5fd;
    outline-offset: 2px;
    box-shadow: none !important;
}

.profile-photo {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.skill-badge {
    background: var(--accent-soft);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
}

.matrix-table th,
.matrix-table td {
    border-color: var(--border) !important;
}

.matrix-check {
    color: #86efac;
    font-weight: 700;
}

.cert-logo {
    max-width: 88px;
    max-height: 88px;
    object-fit: contain;
}

.form-control,
.form-select {
    background: #0f172a;
    border-color: var(--border);
    color: var(--text-main);
}

.form-control:hover,
.form-select:hover {
    border-color: #334155;
}

.form-control::placeholder {
    color: #6b7280;
}

.pdf-preview {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.55);
    padding: 0.5rem 0.75rem 0.75rem;
}

.pdf-preview summary {
    cursor: pointer;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.pdf-preview[open] summary {
    color: var(--accent);
}

.pdf-viewer {
    width: 100%;
    min-height: 420px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #0b1220;
}