/*
============================================
BASE CONVERTER TOOL STYLES v1.0.0
============================================
Description: Styles for the Base Converter tool - a browser-based
number base conversion utility with hardware architecture simulation.

Dependencies: None

Project: Tools Hub by Jesse Anderson
Repository: https://github.com/jesse-anderson/Tools
License: GPL-3.0 - https://github.com/jesse-anderson/Tools/blob/main/LICENSE

Components:
- Architecture toolbar (word size, endianness controls)
- Base input cards (decimal, hexadecimal, octal, binary)
- Bit visualizer (LSB display with interactive toggle)
- Error and warning banners
- Responsive sidebar layout

Last Updated: January 2025
============================================
*/

/* ============================================
   Main Layout
   ============================================ */

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    min-height: calc(100vh - 300px);
}

.calculator-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
}

.panel-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   Architecture Toolbar
   ============================================ */

.arch-toolbar {
    display: flex;
    gap: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.toggle-group {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px;
}

.toggle-btn {
    padding: 6px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--accent-engineering);
    color: var(--bg-primary);
    font-weight: 600;
}

.clear-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.clear-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* ============================================
   Converter Input Cards
   ============================================ */

.converter-input-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.base-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.2s ease;
}

.base-card:focus-within {
    border-color: var(--accent-engineering);
    box-shadow: 0 0 0 3px var(--accent-engineering-dim);
}

.base-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.base-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.base-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-muted);
}

.base-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
}

.base-input {
    width: 100%;
    background: transparent;
    border: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    color: var(--text-primary);
    outline: none;
}

.base-input::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Binary uses textarea for wrapping */
.base-textarea {
    width: 100%;
    background: transparent;
    border: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    resize: none;
    line-height: 1.5;
    min-height: 1.5em;
    max-height: 6em;
    overflow-y: auto;
}

.base-textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

.base-prefix {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-engineering);
    flex-shrink: 0;
}

.copy-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.copy-btn:hover {
    border-color: var(--accent-engineering);
    color: var(--accent-engineering);
}

/* ============================================
   Error States
   ============================================ */

.base-card.error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.base-input.error-input,
.base-textarea.error-input {
    color: #ef4444;
}

/* Flash animation when invalid characters are removed */
.base-card.invalid-chars-flash {
    animation: invalidCharFlash 300ms ease-out;
}

@keyframes invalidCharFlash {
    0% {
        border-color: var(--accent-engineering);
        box-shadow: 0 0 0 2px var(--accent-engineering-dim);
    }
    100% {
        border-color: var(--border-color);
        box-shadow: none;
    }
}

/* Error Message Banner */
.error-banner {
    display: none;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
    align-items: flex-start;
    gap: 12px;
}

.error-banner.active {
    display: flex;
}

.error-banner svg {
    flex-shrink: 0;
    color: #ef4444;
    margin-top: 2px;
}

.error-banner-content {
    flex: 1;
}

.error-banner-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    color: #ef4444;
    margin-bottom: 4px;
}

.error-banner-message {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================
   Warning States
   ============================================ */

/* Warning Message Banner */
.warning-banner {
    display: none;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
    align-items: flex-start;
    gap: 12px;
}

.warning-banner.active {
    display: flex;
}

.warning-banner svg {
    flex-shrink: 0;
    color: #f59e0b;
    margin-top: 2px;
}

.warning-banner-content {
    flex: 1;
}

.warning-banner-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    color: #f59e0b;
    margin-bottom: 4px;
}

.warning-banner-message {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.sidebar-card h3 {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   Bit Visualizer
   ============================================ */

.bit-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    margin-bottom: 16px;
}

.bit-box {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: all 0.1s;
    font-weight: 500;
}

.bit-box:hover {
    border-color: var(--accent-engineering);
}

.bit-box.active {
    background: var(--accent-engineering);
    border-color: var(--accent-engineering);
    border-width: 2px;
    border-style: inset;
    color: var(--bg-primary);
    font-weight: 700;
}

.bit-labels {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.625rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* ============================================
   Quick Values
   ============================================ */

.quick-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.quick-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 4px;
    text-align: left;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.quick-btn:hover {
    border-color: var(--accent-engineering);
    color: var(--text-primary);
}

/* ============================================
   Disclaimer Card
   ============================================ */

.disclaimer-card {
    background: var(--bg-card);
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-left: 4px solid rgba(239, 68, 68, 0.8);
    border-radius: 8px;
    padding: 20px;
    margin-top: 24px;
}

.disclaimer-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: #ef4444;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.disclaimer-content {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.disclaimer-list {
    margin: 12px 0;
    padding-left: 20px;
}

.disclaimer-list li {
    margin-bottom: 6px;
}

.disclaimer-footer {
    margin-top: 16px;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    font-family: 'JetBrains Mono', monospace;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .calculator-layout {
        grid-template-columns: 1fr;
    }
}