:root {
    /* Phoenix Theme Colors */
    --bg-dark: #161618;
    --card-bg: #1c1c1e;
    --card-border: rgba(255, 255, 255, 0.05);

    --accent-orange: #ff6b00;
    /* Vibrant orange from screenshot */
    --accent-orange-glow: rgba(255, 107, 0, 0.4);

    --text-primary: #ffffff;
    --text-secondary: #8E8E93;
    --text-muted: #555559;

    --panel-radius: 24px;
    --element-radius: 99px;
    /* Pill shape */
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    /* Subtle industrial gradient */
    background: radial-gradient(circle at top right, #2c2c2e 0%, var(--bg-dark) 40%);
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Navigation --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
}

.brand {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.nav-item.active,
.nav-item:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #2C2C2E;
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.3s;
}

.icon-btn:hover {
    background: #3a3a3c;
}

/* --- Dashboard Grid --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    flex-grow: 1;
    min-height: 0;
    /* Prevents overflow issues */
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--panel-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    /* Subtle inner shadow for depth */
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: linear-gradient(to bottom, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    background: #2C2C2E;
    padding: 0.4rem 1rem;
    border-radius: var(--element-radius);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Upload Zone --- */
.upload-zone {
    flex-shrink: 0;
    height: 200px;
    border: 2px dashed #2C2C2E;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
    margin-bottom: 2rem;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-orange);
    background: rgba(255, 107, 0, 0.05);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
}

.upload-text {
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.upload-subtext {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

.file-preview {
    display: none;
    max-height: 100%;
    margin-top: 5px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

/* --- Input Area --- */
.input-group {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 2rem;
}

label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

textarea {
    flex-grow: 1;
    background: #141415;
    /* Sligthly darker than card */
    border: none;
    border-radius: 16px;
    padding: 1.5rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    /* Tech feel */
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

textarea:focus {
    outline: 1px solid var(--accent-orange);
}

/* --- Solve Button --- */
.btn-primary {
    background: var(--accent-orange);
    color: #fff;
    border: none;
    border-radius: var(--element-radius);
    padding: 1.2rem;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    box-shadow: 0 5px 20px var(--accent-orange-glow);
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--accent-orange-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

/* --- Results Area --- */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: #2C2C2E;
    padding: 0.4rem 1rem;
    border-radius: var(--element-radius);
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 50%;
}

.dot.active {
    background: var(--accent-orange);
    box-shadow: 0 0 10px var(--accent-orange);
}

.results-content {
    flex-grow: 1;
    background: #141415;
    border-radius: 16px;
    padding: 1.5rem;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    position: relative;
    /* Simulate scanlines */
    background-image: linear-gradient(0deg, transparent 24%, rgba(255, 255, 255, .02) 25%, rgba(255, 255, 255, .02) 26%, transparent 27%, transparent 74%, rgba(255, 255, 255, .02) 75%, rgba(255, 255, 255, .02) 76%, transparent 77%, transparent), linear-gradient(90deg, transparent 24%, rgba(255, 255, 255, .02) 25%, rgba(255, 255, 255, .02) 26%, transparent 27%, transparent 74%, rgba(255, 255, 255, .02) 75%, rgba(255, 255, 255, .02) 76%, transparent 77%, transparent);
    background-size: 30px 30px;
}

/* Empty State */
.empty-state {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0.3;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-text {
    font-weight: 600;
    letter-spacing: 0.1em;
}

/* Result Items */
.result-item {
    padding: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pattern {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.matches {
    color: var(--accent-orange);
    font-weight: bold;
    text-shadow: 0 0 10px rgba(255, 107, 0, 0.3);
}

.no-match {
    color: #ef4444;
    font-size: 0.8rem;
}

/* Loading Animation */
.loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.loader-ring {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 107, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-orange);
    animation: rotate 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-text {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent-orange);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444;
}

/* Clickable Words */
.found-word {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 4px;
    transition: all 0.2s;
}

.found-word:hover {
    color: #fff;
    text-decoration-style: solid;
}

.found-word.copied {
    color: #fff;
    text-decoration: none;
    font-size: 0.9em;
    background: var(--accent-orange);
    padding: 2px 6px;
    border-radius: 4px;
}