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

:root {
    --retro-bg: #0a0a0a;
    --retro-green: #33ff33;
    --retro-green-dim: #1a8c1a;
    --retro-yellow: #ffff33;
    --retro-red: #ff3333;
    --retro-cyan: #33ffff;
    --retro-text: #b0b0b0;
    --retro-dim: #555555;
    --retro-border: #33ff33;
    --retro-card-bg: #0f0f0f;
}

body.retro {
    font-family: 'Courier New', 'Lucida Console', monospace;
    background: var(--retro-bg);
    color: var(--retro-green);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* CRT effects */
.crt-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
    background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.4) 100%);
}

.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 998;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
}

/* Blink animation */
.blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Header */
.retro-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    border-bottom: 1px solid var(--retro-green-dim);
    background: rgba(0, 20, 0, 0.5);
}

.retro-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--retro-green);
}

.version {
    font-size: 0.8rem;
    color: var(--retro-dim);
}

.retro-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.retro-user {
    color: var(--retro-cyan);
    font-size: 0.85rem;
}

/* Buttons */
.retro-btn {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: transparent;
    color: var(--retro-green);
    border: 1px solid var(--retro-green);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.1s;
}

.retro-btn:hover {
    background: var(--retro-green);
    color: var(--retro-bg);
}

.retro-btn.sm { padding: 0.2rem 0.6rem; font-size: 0.8rem; }

.retro-link {
    color: var(--retro-cyan);
    text-decoration: none;
}

.retro-link:hover { color: var(--retro-yellow); }
.retro-link.active { color: var(--retro-yellow); }

/* Terminal box */
.terminal-box {
    background: var(--retro-card-bg);
    border: 1px solid var(--retro-green-dim);
    margin: 1.5rem 2rem;
    max-width: 900px;
}

.terminal-header {
    background: var(--retro-green-dim);
    color: var(--retro-bg);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    font-weight: bold;
}

.terminal-body {
    padding: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Colors */
.green { color: var(--retro-green); }
.yellow { color: var(--retro-yellow); }
.red { color: var(--retro-red); }
.dim { color: var(--retro-dim); }

/* Main */
.retro-main {
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Cards */
.retro-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 900px;
    margin: 0 2rem;
    width: calc(100% - 4rem);
}

.retro-card {
    background: var(--retro-card-bg);
    border: 1px solid var(--retro-green-dim);
    padding: 1.2rem;
    text-align: center;
    transition: border-color 0.2s;
}

.retro-card:hover {
    border-color: var(--retro-green);
}

.card-icon {
    font-size: 1.5rem;
    color: var(--retro-cyan);
    margin-bottom: 0.5rem;
}

.retro-card h3 {
    font-size: 0.95rem;
    color: var(--retro-green);
    margin-bottom: 0.3rem;
}

.retro-card p {
    font-size: 0.8rem;
    color: var(--retro-dim);
}

/* Table */
.retro-table {
    width: 100%;
    border-collapse: collapse;
}

.retro-table th {
    text-align: left;
    padding: 0.4rem 0.8rem;
    color: var(--retro-yellow);
    border-bottom: 1px solid var(--retro-green-dim);
    font-size: 0.8rem;
}

.retro-table td {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(51, 255, 51, 0.1);
}

/* Form */
.retro-form {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.retro-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.retro-field label {
    color: var(--retro-green);
    white-space: nowrap;
    font-size: 0.9rem;
}

.retro-field input {
    background: var(--retro-bg);
    border: 1px solid var(--retro-green-dim);
    color: var(--retro-green);
    padding: 0.4rem 0.6rem;
    font-family: inherit;
    font-size: 0.9rem;
    width: 250px;
}

.retro-field.wide input {
    width: 100%;
    flex: 1;
}

.retro-field input:focus {
    outline: none;
    border-color: var(--retro-green);
    box-shadow: 0 0 5px rgba(51, 255, 51, 0.3);
}

.code-wrap {
    word-break: break-all;
    font-size: 0.8rem;
}

/* Login */
.retro-login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-terminal {
    width: 100%;
    max-width: 500px;
    margin: 0;
}

/* Typewriter */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 2s steps(50);
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

/* Footer */
.retro-footer {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--retro-green-dim);
    color: var(--retro-dim);
    font-size: 0.8rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .retro-cards { grid-template-columns: 1fr 1fr; }
    .retro-header { flex-direction: column; gap: 0.5rem; }
    .retro-nav { flex-wrap: wrap; justify-content: center; }
    .terminal-box { margin: 1rem; }
    .retro-field { flex-direction: column; align-items: flex-start; }
    .retro-field input { width: 100%; }
}