/* Sci-Fi HUD Theme */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* Amber Theme (default) */
:root, [data-theme="amber"] {
    --hud-primary: #ffb000;
    --hud-secondary: #ff8c00;
    --hud-accent: #ff4400;
    --hud-warning: #ffdd00;
    --hud-success: #88ff00;
    --hud-bg: #000000;
    --hud-panel: rgba(255, 176, 0, 0.05);
    --hud-border: rgba(255, 176, 0, 0.3);
    --hud-glow: 0 0 20px rgba(255, 176, 0, 0.3);
    --hud-text: #ffe4a8;
    --hud-text-dim: #8a7040;
    --hud-btn-bg: rgba(120, 80, 0, 0.3);
    --hud-input-bg: rgba(60, 40, 0, 0.5);
}

/* Green Theme */
[data-theme="green"] {
    --hud-primary: #00ff88;
    --hud-secondary: #00cc66;
    --hud-accent: #ff4444;
    --hud-warning: #ffdd00;
    --hud-success: #00ff88;
    --hud-bg: #000000;
    --hud-panel: rgba(0, 255, 136, 0.05);
    --hud-border: rgba(0, 255, 136, 0.3);
    --hud-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    --hud-text: #a8ffe4;
    --hud-text-dim: #407a5a;
    --hud-btn-bg: rgba(0, 80, 50, 0.3);
    --hud-input-bg: rgba(0, 40, 30, 0.5);
}

/* Red Theme */
[data-theme="red"] {
    --hud-primary: #ff3333;
    --hud-secondary: #cc2222;
    --hud-accent: #ff6600;
    --hud-warning: #ffdd00;
    --hud-success: #88ff00;
    --hud-bg: #000000;
    --hud-panel: rgba(255, 51, 51, 0.05);
    --hud-border: rgba(255, 51, 51, 0.3);
    --hud-glow: 0 0 20px rgba(255, 51, 51, 0.3);
    --hud-text: #ffa8a8;
    --hud-text-dim: #7a4040;
    --hud-btn-bg: rgba(80, 20, 20, 0.3);
    --hud-input-bg: rgba(40, 15, 15, 0.5);
}

/* Blue Theme */
[data-theme="blue"] {
    --hud-primary: #00aaff;
    --hud-secondary: #0088cc;
    --hud-accent: #ff4444;
    --hud-warning: #ffdd00;
    --hud-success: #88ff00;
    --hud-bg: #000000;
    --hud-panel: rgba(0, 170, 255, 0.05);
    --hud-border: rgba(0, 170, 255, 0.3);
    --hud-glow: 0 0 20px rgba(0, 170, 255, 0.3);
    --hud-text: #a8e4ff;
    --hud-text-dim: #40607a;
    --hud-btn-bg: rgba(0, 50, 80, 0.3);
    --hud-input-bg: rgba(0, 30, 50, 0.5);
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--hud-bg);
    color: var(--hud-text);
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.screen {
    animation: fadeIn 0.3s ease;
}

.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Headers */
h1, h2 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--hud-primary);
    text-shadow: 0 0 10px var(--hud-primary), 0 0 30px rgba(255, 176, 0, 0.3);
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--hud-border);
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--hud-primary), transparent);
}

/* HUD Panel */
.hud-panel {
    background: var(--hud-panel);
    border: 1px solid var(--hud-border);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
}

.hud-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--hud-primary), transparent);
}

/* Lock Cards */
.lock-card {
    background: var(--hud-panel);
    border: 1px solid var(--hud-border);
    border-left: 3px solid var(--hud-primary);
    padding: 1rem 1.2rem;
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    transition: all 0.2s ease;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.lock-card:hover {
    background: rgba(255, 176, 0, 0.1);
    border-color: var(--hud-primary);
    box-shadow: var(--hud-glow);
}

.lock-card::before {
    content: '◆';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--hud-primary);
    font-size: 8px;
    text-shadow: 0 0 5px var(--hud-primary);
}

.lock-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.lock-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--hud-text);
}

.lock-status {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.status-locked {
    color: var(--hud-success);
    text-shadow: 0 0 8px var(--hud-success);
}

.status-unlocked {
    color: var(--hud-accent);
    text-shadow: 0 0 8px var(--hud-accent);
}

.lock-battery {
    font-size: 0.75rem;
    color: var(--hud-text-dim);
}

.lock-actions {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
button, .btn {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--hud-border);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    background: var(--hud-btn-bg);
    color: var(--hud-text);
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 176, 0, 0.2), transparent);
    transition: left 0.5s ease;
}

button:hover::before {
    left: 100%;
}

button:hover {
    border-color: var(--hud-primary);
    box-shadow: var(--hud-glow), inset 0 0 20px rgba(255, 176, 0, 0.1);
    color: var(--hud-primary);
}

button:active {
    transform: scale(0.98);
}

button.focused {
    border-color: var(--hud-primary);
    box-shadow: var(--hud-glow), 0 0 40px rgba(255, 176, 0, 0.2);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: var(--hud-glow), 0 0 20px rgba(255, 176, 0, 0.2); }
    50% { box-shadow: var(--hud-glow), 0 0 40px rgba(255, 176, 0, 0.4); }
}

.btn-lock {
    border-color: var(--hud-success);
    color: var(--hud-success);
}

.btn-lock:hover {
    background: rgba(136, 255, 0, 0.1);
    box-shadow: 0 0 20px rgba(136, 255, 0, 0.3);
}

.btn-unlock {
    border-color: var(--hud-warning);
    color: var(--hud-warning);
}

.btn-unlock:hover {
    background: rgba(255, 221, 0, 0.1);
    box-shadow: 0 0 20px rgba(255, 221, 0, 0.3);
}

.btn-primary {
    background: linear-gradient(180deg, rgba(255, 176, 0, 0.3), rgba(160, 100, 0, 0.3));
    border-color: var(--hud-primary);
    color: var(--hud-primary);
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.btn-primary:hover {
    background: linear-gradient(180deg, rgba(255, 200, 0, 0.4), rgba(200, 120, 0, 0.4));
}

.btn-secondary {
    background: transparent;
    border-color: var(--hud-text-dim);
    color: var(--hud-text-dim);
    font-size: 0.8rem;
}

.btn-secondary:hover {
    border-color: var(--hud-accent);
    color: var(--hud-accent);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cybertruck Section */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--hud-border), transparent);
    margin: 2rem 0;
    position: relative;
}

.section-divider::before {
    content: '◆ ◆ ◆';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--hud-bg);
    padding: 0 1rem;
    color: var(--hud-text-dim);
    font-size: 6px;
    letter-spacing: 4px;
}

.cybertruck-status {
    background: var(--hud-panel);
    border: 1px solid var(--hud-border);
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    font-size: 0.9rem;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.ct-name {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    color: var(--hud-primary);
    letter-spacing: 1px;
}

.ct-battery {
    color: var(--hud-success);
}

.ct-temp {
    color: var(--hud-text-dim);
}

.ct-climate-on {
    color: var(--hud-secondary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.cybertruck-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.btn-cybertruck {
    font-size: 0.8rem;
    padding: 0.7rem 0.5rem;
    border-color: var(--hud-secondary);
    color: var(--hud-secondary);
}

.btn-cybertruck:hover {
    background: rgba(255, 140, 0, 0.15);
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.3);
}

.btn-fart {
    border-color: var(--hud-accent);
    color: var(--hud-accent);
}

.btn-fart:hover {
    background: rgba(255, 68, 0, 0.15);
    box-shadow: 0 0 15px rgba(255, 68, 0, 0.3);
}

/* Login Screen */
#login-screen {
    max-width: 350px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--hud-panel);
    border: 1px solid var(--hud-border);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

#login-screen h1 {
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    background: var(--hud-input-bg);
    border: 1px solid var(--hud-border);
    border-radius: 2px;
    color: var(--hud-text);
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--hud-primary);
    box-shadow: var(--hud-glow), inset 0 0 10px rgba(255, 176, 0, 0.1);
}

input::placeholder {
    color: var(--hud-text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
}

input.focused {
    border-color: var(--hud-primary);
    box-shadow: var(--hud-glow);
}

#login-btn {
    width: 100%;
    margin-top: 1rem;
}

.error {
    color: var(--hud-accent);
    font-size: 0.85rem;
    margin-top: 1rem;
    text-align: center;
    text-shadow: 0 0 8px var(--hud-accent);
}

/* Loading Screen */
#loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 2px solid var(--hud-border);
    border-top-color: var(--hud-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.spinner::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 2px solid transparent;
    border-top-color: var(--hud-secondary);
    border-radius: 50%;
    animation: spin 0.8s linear reverse infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#loading-screen p {
    margin-top: 1.5rem;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--hud-text-dim);
    animation: loadingText 1.5s infinite;
}

@keyframes loadingText {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Status indicators */
.success {
    color: var(--hud-success) !important;
}

.loading {
    color: var(--hud-secondary);
    animation: blink 0.8s infinite;
}

/* Corner decorations */
#app::before,
#app::after {
    content: '';
    position: fixed;
    width: 100px;
    height: 100px;
    border: 1px solid var(--hud-border);
    pointer-events: none;
    opacity: 0.5;
}

#app::before {
    top: 10px;
    left: 10px;
    border-right: none;
    border-bottom: none;
}

#app::after {
    bottom: 10px;
    right: 10px;
    border-left: none;
    border-top: none;
}

/* Subtle vignette effect */
#app::before {
    box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.2);
}

/* Phosphor glow on text */
h1, h2, .lock-name, .ct-name {
    text-shadow: 
        0 0 5px var(--hud-primary),
        0 0 10px var(--hud-primary),
        0 0 20px rgba(255, 176, 0, 0.5);
}

/* Responsive */
@media (max-width: 500px) {
    .cybertruck-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .lock-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .lock-actions {
        width: 100%;
    }
    
    .lock-actions button {
        flex: 1;
    }
}

/* Theme Toggle */
.footer-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.footer-actions .theme-btn {
    flex: 1;
}

.footer-actions .theme-btn.active {
    border-color: var(--hud-primary);
    color: var(--hud-primary);
}