@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&display=swap');

:root {
    --bg-cobalt: #001f3f;
    --text-cyan: #00ffff;
    --text-dim: #008080;
    --border-glow: #00ffff;
    --danger-red: #ff4136;
    --rented-green: #2ecc40;
    --font-primary: 'Share Tech Mono', monospace;
}

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

body {
    background-color: var(--bg-cobalt);
    color: var(--text-cyan);
    font-family: var(--font-primary);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Retro CRT & Scanline Effects */
.scanlines {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0,0,0,0.2) 50%,
        rgba(0,0,0,0.2)
    );
    background-size: 100% 4px;
    z-index: 100;
    pointer-events: none;
}

.header {
    text-align: center;
    padding: 2rem;
    border-bottom: 2px solid var(--border-glow);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 31, 63, 0.8);
}

.header h1 {
    font-size: 2.5rem;
    text-shadow: 0 0 10px var(--text-cyan);
    letter-spacing: 2px;
}

.blink-cursor {
    font-size: 2.5rem;
    animation: blink 1s step-end infinite;
    margin-left: 10px;
}

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

.dashboard {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.loading {
    text-align: center;
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; text-shadow: none; }
    50% { opacity: 1; text-shadow: 0 0 10px var(--text-cyan); }
    100% { opacity: 0.5; text-shadow: none; }
}

/* Machine Card Styling */
.machine-card {
    background: rgba(0, 20, 40, 0.8);
    border: 1px solid var(--border-glow);
    box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.1);
    padding: 1.5rem;
    position: relative;
}

.machine-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    border: 1px solid var(--border-glow);
    pointer-events: none;
    opacity: 0.5;
}

.machine-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed var(--text-dim);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.machine-id {
    font-size: 1.5rem;
    font-weight: bold;
}

.total-power {
    font-size: 1.5rem;
    color: #ffdc00; /* Yellow */
}

.sys-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.sys-stat {
    background: rgba(0, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border: 1px dotted var(--text-cyan);
}

.gpu-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gpu-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 1rem;
    border-left: 4px solid var(--text-cyan);
}

.gpu-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.gpu-metrics {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.gpu-status {
    padding: 0.5rem 1rem;
    font-weight: bold;
    border: 1px solid;
    text-transform: uppercase;
}

.status-rented {
    color: var(--rented-green);
    border-color: var(--rented-green);
    box-shadow: 0 0 10px rgba(46, 204, 64, 0.4);
}

.status-idle {
    color: var(--text-cyan);
    border-color: var(--text-cyan);
}

.status-error {
    color: var(--danger-red);
    border-color: var(--danger-red);
    animation: blink 1s infinite;
}

footer {
    text-align: center;
    padding: 1rem;
    border-top: 1px solid var(--text-dim);
    margin-top: 2rem;
}

/* --- SPA Navigation & Views --- */
.hidden {
    display: none !important;
}

.navbar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(0, 20, 40, 0.9);
    border-bottom: 1px solid var(--text-dim);
}

.navbar button {
    background: transparent;
    border: 1px solid var(--text-cyan);
    color: var(--text-cyan);
    padding: 0.5rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.navbar button:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.navbar .btn-danger {
    border-color: var(--danger-red);
    color: var(--danger-red);
}

.navbar .btn-danger:hover {
    background: rgba(255, 65, 54, 0.2);
    box-shadow: 0 0 10px rgba(255, 65, 54, 0.5);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.card {
    background: rgba(0, 20, 40, 0.8);
    border: 1px solid var(--border-glow);
    padding: 2rem;
    margin: 0 auto;
    max-width: 600px;
}

.login-card {
    text-align: center;
}

.setup-card {
    max-width: 900px;
    text-align: left;
}

.login-card h2 {
    margin-bottom: 1rem;
}

.divider {
    margin: 2rem 0;
    color: var(--text-dim);
}

input[type="email"], input[type="text"], input[type="password"] {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--text-dim);
    color: var(--text-cyan);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--border-glow);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.btn-primary {
    background: rgba(0, 255, 255, 0.2);
    border: 1px solid var(--border-glow);
    color: var(--text-cyan);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    cursor: pointer;
    width: 100%;
}

.btn-secondary:hover {
    border-color: var(--text-cyan);
    color: var(--text-cyan);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.sys-msg {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.code-block {
    background: #000;
    border: 1px solid var(--text-dim);
    padding: 1rem;
    font-size: 0.9rem;
    color: #0f0; /* Terminal Green */
    white-space: pre-wrap;
    text-align: left;
    margin: 1rem 0;
}

/* Markdown Rendering Overrides */
.markdown-body pre {
    background: #000;
    border: 1px solid var(--text-dim);
    padding: 1rem;
    font-size: 0.9rem;
    color: #0f0; /* Terminal Green */
    white-space: pre-wrap;       /* CSS3 */   
    white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */ 
    white-space: -pre-wrap;      /* Opera 4-6 */
    white-space: -o-pre-wrap;    /* Opera 7 */
    word-wrap: break-word;       /* Internet Explorer 5.5+ */
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: 4px;
}

.markdown-body code {
    background: rgba(0, 0, 0, 0.5);
    color: var(--border-glow);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-family: var(--font-primary);
}

.markdown-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--border-glow);
}

.markdown-body p {
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* --- Registration & Verification Additions --- */
.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

button:disabled {
    background: rgba(100, 100, 100, 0.2);
    border-color: #555;
    color: #555;
    cursor: not-allowed;
    box-shadow: none;
}

.timer-box {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px dashed var(--text-dim);
}

/* --- Host Connections Additions --- */
.retro-select {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--text-dim);
    color: var(--text-cyan);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    appearance: none;
}

.retro-select:focus {
    outline: none;
    border-color: var(--border-glow);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.conn-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    border-left: 4px solid var(--text-cyan);
    padding: 1rem;
    margin-bottom: 1rem;
}

.conn-info {
    text-align: left;
}

.conn-platform {
    color: var(--text-dim);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.conn-id {
    font-size: 1.2rem;
    color: var(--text-cyan);
    margin-top: 0.2rem;
}

.btn-danger-sm {
    background: rgba(255, 65, 54, 0.1);
    border: 1px solid var(--danger-red);
    color: var(--danger-red);
    padding: 0.5rem 1rem;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger-sm:hover {
    background: rgba(255, 65, 54, 0.3);
    box-shadow: 0 0 10px rgba(255, 65, 54, 0.5);
}

/* --- Notifications Additions --- */
.toggle-group {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--text-dim);
    padding: 1rem;
    margin-bottom: 1rem;
}

.toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-cyan);
}

.retro-toggle {
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--text-dim);
    background: transparent;
    margin-right: 1rem;
    position: relative;
    cursor: pointer;
}

.retro-toggle:checked {
    border-color: var(--rented-green);
    background: rgba(46, 204, 64, 0.2);
}

.retro-toggle:checked::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px; right: 3px; bottom: 3px;
    background: var(--rented-green);
}