/* ===== CSS Custom Properties ===== */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-terminal: #0d1117;
    --bg-terminal-header: #161b22;

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-dim: #484f58;

    --accent-green: #3fb950;
    --accent-cyan: #58a6ff;
    --accent-blue: #388bfd;
    --accent-purple: #bc8cff;
    --accent-yellow: #d29922;
    --accent-red: #f85149;
    --accent-orange: #db6d28;
    --accent-teal: #2dd4bf;

    --border-color: rgba(48, 54, 61, 0.6);
    --glow-green: rgba(63, 185, 80, 0.15);
    --glow-cyan: rgba(88, 166, 255, 0.1);

    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius: 12px;
    --radius-sm: 8px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    gap: 1.5rem;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(63, 185, 80, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(88, 166, 255, 0.03) 0%, transparent 50%);
}

::selection {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* ===== Info Card ===== */
.info-card {
    width: 100%;
    max-width: 900px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem 2.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
    animation: fadeSlideIn 0.6s ease-out;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan), var(--accent-purple));
}

.info-card__inner {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.info-card__left {
    flex: 1;
    min-width: 280px;
}

.info-card__name {
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.info-card__role {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-green);
    margin-top: 0.25rem;
}

.info-card__summary {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    line-height: 1.6;
}

.info-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    border: 1px solid;
    white-space: nowrap;
}

.badge--green {
    color: var(--accent-green);
    border-color: rgba(63, 185, 80, 0.3);
    background: rgba(63, 185, 80, 0.08);
}

.badge--blue {
    color: var(--accent-cyan);
    border-color: rgba(88, 166, 255, 0.3);
    background: rgba(88, 166, 255, 0.08);
}

.badge--cyan {
    color: var(--accent-teal);
    border-color: rgba(45, 212, 191, 0.3);
    background: rgba(45, 212, 191, 0.08);
}

.badge--purple {
    color: var(--accent-purple);
    border-color: rgba(188, 140, 255, 0.3);
    background: rgba(188, 140, 255, 0.08);
}

.info-card__right {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}

.info-card__contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-link:hover {
    color: var(--accent-cyan);
}

.contact-icon {
    font-size: 1rem;
    width: 1.2rem;
    text-align: center;
}

.info-card__languages {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.lang {
    font-size: 0.75rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.info-card__hint {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.info-card__hint code {
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.1);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* ===== Terminal ===== */
.terminal {
    width: 100%;
    max-width: 900px;
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(63, 185, 80, 0.03);
    animation: fadeSlideIn 0.6s ease-out 0.2s both;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.terminal__header {
    background: var(--bg-terminal-header);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.terminal__dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot--red { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green { background: #28c840; }

.terminal__title {
    font-size: 0.8rem;
    color: var(--text-dim);
    flex: 1;
    text-align: center;
}

.terminal__body {
    padding: 1rem 1.25rem;
    flex: 1;
    overflow-y: auto;
    cursor: text;
    display: flex;
    flex-direction: column;
}

.terminal__body::-webkit-scrollbar {
    width: 6px;
}

.terminal__body::-webkit-scrollbar-track {
    background: transparent;
}

.terminal__body::-webkit-scrollbar-thumb {
    background: var(--text-dim);
    border-radius: 3px;
}

/* ===== Terminal Output ===== */
#output {
    flex: 1;
}

.output-block {
    margin-bottom: 1rem;
    animation: fadeIn 0.15s ease-out;
}

.output-block .prompt {
    user-select: none;
}

.output-command {
    color: var(--text-primary);
}

.output-result {
    margin-top: 0.25rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 0.85rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

/* Output color classes */
.c-green { color: var(--accent-green); }
.c-cyan { color: var(--accent-cyan); }
.c-blue { color: var(--accent-blue); }
.c-purple { color: var(--accent-purple); }
.c-yellow { color: var(--accent-yellow); }
.c-red { color: var(--accent-red); }
.c-orange { color: var(--accent-orange); }
.c-teal { color: var(--accent-teal); }
.c-white { color: var(--text-primary); }
.c-dim { color: var(--text-dim); }
.c-bold { font-weight: 700; }

/* ===== Input Line ===== */
.input-line {
    display: flex;
    align-items: center;
    min-height: 1.5rem;
}

.prompt {
    font-size: 0.85rem;
    white-space: nowrap;
    user-select: none;
}

.prompt-user { color: var(--accent-green); font-weight: 700; }
.prompt-host { color: var(--accent-green); }
.prompt-path { color: var(--accent-cyan); font-weight: 700; }

.command-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    caret-color: var(--accent-green);
    padding: 0;
    line-height: 1.5rem;
}

/* ===== Progress Bar (for skills) ===== */
.skill-bar {
    display: inline-block;
    color: var(--accent-green);
    letter-spacing: -1px;
}

.skill-bar-empty {
    display: inline-block;
    color: var(--text-dim);
    letter-spacing: -1px;
}

/* ===== Footer ===== */
.footer {
    width: 100%;
    max-width: 900px;
    text-align: center;
    padding: 1rem;
    animation: fadeSlideIn 0.6s ease-out 0.4s both;
}

.footer p {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-dim);
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer a:hover {
    color: var(--accent-cyan);
}

.footer code {
    color: var(--accent-green);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* ===== Animations ===== */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem;
    }

    .info-card {
        padding: 1.5rem;
    }

    .info-card__inner {
        flex-direction: column;
        gap: 1.25rem;
    }

    .info-card__right {
        align-items: flex-start;
    }

    .info-card__name {
        font-size: 1.5rem;
    }

    .info-card__languages {
        gap: 0.5rem;
    }

    .terminal {
        min-height: 400px;
    }

    .terminal__body {
        padding: 0.75rem;
    }

    .output-result {
        font-size: 0.78rem;
    }

    .command-input {
        font-size: 0.78rem;
    }

    .prompt {
        font-size: 0.78rem;
    }
}

@media (max-width: 480px) {
    .info-card__badges {
        gap: 0.35rem;
    }

    .badge {
        font-size: 0.68rem;
        padding: 0.2rem 0.5rem;
    }

    .info-card__name {
        font-size: 1.3rem;
    }
}