/* ============================================
   EXPORT REGIONS - Arrival Inspired
   ============================================ */

:root {
    --bg: #0a0a0a;
    --bg-soft: #111111;
    --bg-card: rgba(255, 255, 255, 0.02);
    --border: rgba(255, 255, 255, 0.06);
    --text: rgba(255, 255, 255, 0.87);
    --text-soft: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.25);
    --accent: rgba(255, 180, 120, 0.9);
    --accent-soft: rgba(255, 180, 120, 0.15);
    --error: rgba(255, 100, 100, 0.8);
    --radius: 20px;
}

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

html {
    font-size: 17px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

/* Ambient background */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(255, 180, 120, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(150, 150, 180, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Hide old elements */
.matrix-bg, .scanline {
    display: none;
}

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

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem;
}

header {
    text-align: center;
    padding: 4rem 2rem 3rem;
}

.logo {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.logo-bracket {
    opacity: 0.3;
}

.subtitle {
    display: none;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============================================
   Mode Toggle
   ============================================ */

.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mode-btn {
    padding: 0.5rem 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.5s ease;
    position: relative;
}

.mode-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: all 0.5s ease;
    transform: translateX(-50%);
}

.mode-btn:hover {
    color: var(--text-soft);
}

.mode-btn.active {
    color: var(--text);
}

.mode-btn.active::after {
    width: 100%;
}

/* ============================================
   Panels
   ============================================ */

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.panel-icon {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.6;
}

.panel-content {
    padding: 1.5rem;
}

/* ============================================
   Forms
   ============================================ */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-row.triple {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: rgba(255, 180, 120, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

input::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
}

.hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
}

.btn-primary:hover {
    background: rgba(255, 180, 120, 1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-soft);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text);
}

.btn-icon {
    display: none;
}

.btn-add {
    margin-left: auto;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-family: inherit;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.5rem;
}

/* ============================================
   Saved Configurations
   ============================================ */

.saved-configs {
    margin-bottom: 2rem;
}

.config-list {
    max-height: 180px;
    overflow-y: auto;
}

.config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.config-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.config-item.active {
    background: var(--accent-soft);
}

.config-name {
    font-size: 1rem;
    color: var(--text);
}

.config-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.config-actions {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.config-item:hover .config-actions {
    opacity: 1;
}

.btn-delete {
    padding: 0.35rem 0.75rem;
    background: transparent;
    border: 1px solid rgba(255, 100, 100, 0.3);
    color: var(--error);
    font-family: inherit;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background: rgba(255, 100, 100, 0.1);
}

.empty-state,
.loading {
    text-align: center;
    padding: 2.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Instruments
   ============================================ */

.instrument-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.instrument-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.instrument-card:last-child {
    margin-bottom: 0;
}

.instrument-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.02);
}

.instrument-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: 50%;
    font-size: 0.75rem;
    color: var(--accent);
}

.instrument-name {
    flex: 1;
    padding: 0.625rem 0.875rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.instrument-name:focus {
    outline: none;
    border-color: rgba(255, 180, 120, 0.3);
}

.btn-remove {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-remove:hover {
    color: var(--error);
    background: rgba(255, 100, 100, 0.1);
}

.instrument-body {
    padding: 1.25rem;
}

/* Note Input */
.note-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.note-input select {
    width: auto;
    min-width: 60px;
    padding: 0.625rem 0.5rem;
    font-size: 0.95rem;
}

.midi-value,
.midi-value-end {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 36px;
}

.btn-midi-ref {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: auto;
    transition: all 0.3s ease;
}

.btn-midi-ref:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-soft);
}

/* Mix Buses */
.mix-buses {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mix-bus-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.mix-bus-row input {
    flex: 1;
}

.btn-add-mix {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.btn-add-mix:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ============================================
   Output Panel
   ============================================ */

.output-panel {
    margin-top: 2rem;
}

.output-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.btn-small {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-family: inherit;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-small:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text);
}

.script-output {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 12px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-soft);
    max-height: 350px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ============================================
   Modal
   ============================================ */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 450px;
    max-height: 80vh;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 60vh;
}

/* MIDI Table */
.midi-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.midi-table th,
.midi-table td {
    padding: 0.625rem;
    text-align: center;
}

.midi-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
}

.midi-table td {
    color: var(--text-soft);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.midi-table tr:last-child td {
    border-bottom: none;
}

/* ============================================
   RPP Upload
   ============================================ */

.rpp-upload-panel {
    margin-bottom: 2rem;
}

.upload-area {
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: rgba(255, 180, 120, 0.3);
    background: rgba(255, 180, 120, 0.02);
}

.upload-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.upload-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.upload-prompt p {
    color: var(--text-soft);
    font-size: 0.95rem;
}

.upload-prompt small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
    transition: opacity 0.3s ease;
}

.btn-link:hover {
    opacity: 0.7;
}

.upload-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
}

.upload-status .status-icon {
    color: var(--accent);
    font-size: 1.1rem;
}

.upload-status .status-text {
    color: var(--text-soft);
    font-size: 0.85rem;
}

.rpp-info {
    margin-top: 1.25rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
}

.rpp-info-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 1.25rem;
}

.rpp-info-item {
    text-align: center;
}

.rpp-info-item label {
    display: block;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.375rem;
}

.rpp-info-item span {
    color: var(--text);
    font-size: 1.2rem;
}

/* ============================================
   Advanced Mode
   ============================================ */

.advanced-only {
    display: none;
}

body.advanced-mode .advanced-only {
    display: flex;
}

body.advanced-mode .form-group.advanced-only {
    display: flex;
}

/* ============================================
   Scrollbar
   ============================================ */

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

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

@media (max-width: 600px) {
    .container {
        padding: 2rem 1.25rem;
    }

    .form-row,
    .form-row.triple {
        grid-template-columns: 1fr;
    }

    .mode-toggle {
        gap: 1.5rem;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .rpp-info-grid {
        flex-direction: column;
        gap: 1rem;
    }
}