/**
 * VonHoltenCodes Retro Styling
 * Dark theme with celestial accents and terminal aesthetics
 */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #00ff00;
    --text-secondary: #888888;
    --text-accent: #ffaa00;
    --border-color: #00ff00;
    --error-color: #ff0000;
    --success-color: #00ff00;
    --terminal-font: 'Courier New', 'Consolas', 'Monaco', monospace;
}

body {
    font-family: var(--terminal-font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
}

.header h1 {
    font-size: 2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.header .subtitle {
    color: var(--text-accent);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Split Panel Layout */
.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
    min-height: calc(100vh - 150px);
}

.panel {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.15);
}

.panel-title {
    color: var(--text-accent);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--terminal-font);
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.4);
    border-color: var(--text-accent);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--border-color);
    padding: 2rem;
    text-align: center;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.file-upload-area:hover {
    background: var(--bg-tertiary);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.2);
}

.file-upload-area.dragover {
    background: var(--bg-tertiary);
    border-color: var(--text-accent);
}

.file-upload-area input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-name {
    color: var(--text-accent);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    background: var(--border-color);
    color: var(--bg-primary);
    border: none;
    font-family: var(--terminal-font);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    display: inline-block;
}

.btn:hover {
    background: var(--text-accent);
    box-shadow: 0 0 15px rgba(255, 170, 0, 0.5);
}

.btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

/* Progress Bar */
.progress-container {
    margin: 1.5rem 0;
    display: none;
}

.progress-container.active {
    display: block;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--border-color);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: bold;
}

.progress-text {
    text-align: center;
    margin-top: 0.5rem;
    color: var(--text-accent);
    font-size: 0.9rem;
}

/* Results Display */
.results-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.results-content.empty {
    text-align: center;
    padding: 3rem 1rem;
    border: 1px dashed var(--text-secondary);
}

.result-item {
    background: var(--bg-primary);
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--border-color);
}

.result-item .label {
    color: var(--text-accent);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.result-item .value {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: bold;
}

.result-item .value.large {
    font-size: 1.5rem;
    color: var(--success-color);
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background: rgba(0, 255, 0, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(255, 0, 0, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background: rgba(255, 170, 0, 0.1);
    border-color: var(--text-accent);
    color: var(--text-accent);
}

/* Loading Animation */
.loading {
    display: inline-block;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 968px) {
    .split-container {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 1.5rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-accent);
}

/* Export Buttons */
.export-btn {
    padding: 0.6rem 1.2rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-family: var(--terminal-font);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.export-btn:hover {
    background: var(--border-color);
    color: var(--bg-primary);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
    transform: translateY(-2px);
}

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