@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

:root {
    --space-950: #030712;
    --space-900: #0a0f1e;
    --space-800: #111827;
    --space-700: #1e293b;
    --space-600: #8494a7;
    --crystal-400: #22d3ee;
    --crystal-500: #00bfef;
    --crystal-600: #0891b2;
    --crystal-700: #0e7490;
    --nebula-400: #c084fc;
    --nebula-500: #a855f7;
    --nebula-600: #9333ea;
    --green: #00e676;
    --red: #ff5252;
    --yellow: #ffd740;
    --foreground: #e2e8f0;
}

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

::selection {
    background: rgba(0, 191, 239, 0.3);
    color: #fff;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--space-950); }
::-webkit-scrollbar-thumb { background: var(--space-700); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--crystal-600); }

body {
    background: var(--space-950);
    color: var(--foreground);
    font-family: 'Space Mono', monospace, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Starfield Canvas ===== */
#starfield {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ===== Mining Animation Canvas ===== */
#mining-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 400px;
    z-index: 1;
    pointer-events: none;
}

/* ===== Layout ===== */
.app-container {
    position: relative;
    z-index: 2;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* ===== Header ===== */
.header {
    text-align: center;
    padding: 30px 0 10px;
    position: relative;
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 6px;
}

.header-logo svg {
    filter: drop-shadow(0 0 12px rgba(0, 191, 239, 0.5));
    animation: pulse-glow 2s ease-in-out infinite;
}

.header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--crystal-400), var(--crystal-500), var(--crystal-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header .subtitle {
    font-family: 'Space Mono', monospace;
    color: var(--space-600);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 2px;
}

/* ===== Trek Quote Banner ===== */
.quote-banner {
    text-align: center;
    padding: 10px 20px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--nebula-400);
    font-style: italic;
    opacity: 0;
    transition: opacity 0.6s ease;
    min-height: 32px;
}
.quote-banner.visible { opacity: 1; }

/* ===== Cards ===== */
.card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8), rgba(30, 41, 59, 0.4));
    border: 1px solid rgba(0, 191, 239, 0.12);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 14px;
    backdrop-filter: blur(8px);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
    border-color: rgba(0, 191, 239, 0.25);
    box-shadow: 0 0 20px rgba(0, 191, 239, 0.05);
}

.card h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--crystal-600);
    margin-bottom: 14px;
}

/* ===== Form ===== */
.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.55rem;
    font-weight: 500;
    color: var(--space-600);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

input, select {
    background: rgba(3, 7, 18, 0.8);
    border: 1px solid rgba(0, 191, 239, 0.15);
    border-radius: 6px;
    color: var(--foreground);
    padding: 10px 12px;
    font-size: 0.8rem;
    font-family: 'Space Mono', monospace;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
    border-color: rgba(0, 191, 239, 0.5);
    box-shadow: 0 0 0 2px rgba(0, 191, 239, 0.1);
}

input::placeholder { color: #334155; }

select option {
    background: var(--space-900);
    color: var(--foreground);
}

/* ===== Button ===== */
.btn {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    width: 100%;
    padding: 14px 32px;
    border: 1px solid rgba(0, 191, 239, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    background: linear-gradient(135deg, var(--crystal-500), var(--crystal-600));
    color: #fff;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}
.btn:hover::after { transform: translateX(100%); }

.btn:hover {
    box-shadow: 0 0 25px rgba(0, 191, 239, 0.4), 0 0 50px rgba(0, 191, 239, 0.15);
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn.mining {
    background: linear-gradient(135deg, #ff5252, #d32f2f);
    border-color: rgba(255, 82, 82, 0.4);
    animation: btn-pulse 2s ease-in-out infinite;
}
.btn.mining:hover {
    box-shadow: 0 0 25px rgba(255, 82, 82, 0.4), 0 0 50px rgba(255, 82, 82, 0.15);
}

@keyframes btn-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 82, 82, 0.2); }
    50% { box-shadow: 0 0 25px rgba(255, 82, 82, 0.4); }
}

.consent-notice {
    font-size: 0.6rem;
    color: var(--space-600);
    text-align: center;
    margin-top: 8px;
    line-height: 1.5;
    letter-spacing: 0.5px;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat-box {
    text-align: center;
    padding: 14px 8px;
    background: rgba(3, 7, 18, 0.6);
    border: 1px solid rgba(0, 191, 239, 0.08);
    border-radius: 8px;
    transition: border-color 0.2s;
}
.stat-box:hover { border-color: rgba(0, 191, 239, 0.2); }

.stat-box .value {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--crystal-400), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box .label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.5rem;
    font-weight: 500;
    color: var(--space-600);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

/* ===== Thread Hashrates ===== */
.thread-hashrates {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.thread-badge {
    font-family: 'Space Mono', monospace;
    font-size: 0.6rem;
    padding: 3px 8px;
    background: rgba(3, 7, 18, 0.6);
    border: 1px solid rgba(0, 191, 239, 0.1);
    border-radius: 4px;
    color: var(--crystal-400);
}

/* ===== Status ===== */
.status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(3, 7, 18, 0.6);
    border: 1px solid rgba(0, 191, 239, 0.08);
    border-radius: 6px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--space-600);
    word-break: break-all;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--space-600);
    flex-shrink: 0;
    transition: all 0.3s;
}

.status-dot.connected {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
}

.status-dot.mining {
    background: var(--crystal-500);
    box-shadow: 0 0 8px var(--crystal-500);
    animation: dot-pulse 1.5s ease-in-out infinite;
}

.status-dot.error {
    background: var(--red);
    box-shadow: 0 0 8px var(--red);
}

@keyframes dot-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--crystal-500); }
    50% { opacity: 0.4; box-shadow: 0 0 3px var(--crystal-500); }
}

/* ===== Log Terminal ===== */
.log-area {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    color: var(--space-600);
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: rgba(3, 7, 18, 0.8);
    border-radius: 6px;
    border: 1px solid rgba(0, 191, 239, 0.08);
    margin-top: 10px;
    line-height: 1.6;
}

.log-entry { padding: 1px 0; }
.log-entry.success { color: var(--green); }
.log-entry.error { color: var(--red); }
.log-entry.quote {
    color: var(--nebula-400);
    font-style: italic;
}
.log-entry .timestamp { color: #334155; }

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid rgba(0, 191, 239, 0.06);
    margin-top: 10px;
}
footer a {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    color: var(--crystal-600);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color 0.2s;
}
footer a:hover { color: var(--crystal-400); }

/* ===== Pool fields ===== */
.pool-fields { display: none; }
.pool-fields.visible { display: block; }

/* ===== Animations ===== */
@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(0, 191, 239, 0.4)); }
    50% { filter: drop-shadow(0 0 20px rgba(0, 191, 239, 0.8)); }
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fade-in-up 0.6s ease-out both;
}
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .form-row { flex-direction: column; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .app-container { padding: 0 12px 30px; }
    .header h1 { font-size: 1.2rem; letter-spacing: 2px; }
    #mining-canvas { height: 280px; }
}