/* Rhythm Machine Styles */

/* Light Theme (Default) */
:root {
    /* Background colors */
    --bg-body: #f5f5f5;
    --bg-container: #ffffff;
    --bg-section: #fafafa;
    --bg-secondary: #f9f9f9;
    --bg-beat-control: #ffffff;
    --bg-b-params: #f0f9ff;
    --bg-beat-header: #e5e5e5;
    --bg-setup-params: #f5f5f5;
    --bg-notation: #ffffff;
    --bg-pattern-display: #1e1e1e;
    
    /* Text colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-light: #f3e8ff;
    --text-header: #374151;
    --text-hint: #666666;
    
    /* Border colors */
    --border-main: #e0e0e0;
    --border-input: #cccccc;
    --border-b-params: #bae6fd;
    
    /* Button colors */
    --btn-primary-bg: #4a90e2;
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: #4a90e2;
    --btn-secondary-text: #ffffff;
    --btn-play-bg: #22c55e;
    --btn-play-text: #ffffff;
    --btn-stop-bg: #ef4444;
    --btn-stop-text: #ffffff;
    --btn-step-bg: #8b5cf6;
    --btn-step-hover: #7c3aed;
    --btn-step-text: #ffffff;
    --btn-stroke-bg: #22c55e;
    --btn-stroke-text: #ffffff;
    --btn-rest-bg: #eab308;
    --btn-rest-text: #000000;
    --btn-class-bg: #4a90e2;
    --btn-class-text: #ffffff;
    --btn-class-b-bg: #06b6d4;
    --btn-class-b-text: #ffffff;
    --btn-tie-bg: #6b7280;
    --btn-tie-text: #ffffff;
    --btn-tie-active-bg: #f97316;
    --btn-tie-active-text: #ffffff;
    --btn-tie-inactive-bg: #9ca3af;
    --btn-tie-inactive-text: #374151;
    --btn-tie-disabled-bg: #d1d5db;
    --btn-tie-disabled-text: #9ca3af;
    
    /* Input colors */
    --input-bg: #ffffff;
    --input-text: #333333;
    --input-border: #cccccc;
    
    /* Notation display */
    --notation-text: #666666;
    
    /* Scrollbar colors */
    --scrollbar-track: #f1f1f1;
    --scrollbar-thumb: #888888;
    --scrollbar-thumb-hover: #555555;
}

/* Dark Theme */
[data-theme="dark"] {
    /* Background colors */
    --bg-body: #0d1117;
    --bg-container: #161b22;
    --bg-section: #0d1117;
    --bg-secondary: #21262d;
    --bg-beat-control: #1c2128;
    --bg-b-params: #0d2438;
    --bg-beat-header: #30363d;
    --bg-setup-params: #21262d;
    --bg-notation: #1c2128;
    --bg-pattern-display: #0d1117;
    
    /* Text colors */
    --text-primary: #e6e6e6;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --text-light: #1e293b;
    --text-header: #e6e6e6;
    --text-hint: #8b949e;
    
    /* Border colors */
    --border-main: #30363d;
    --border-input: #444c56;
    --border-b-params: #1f6feb;
    
    /* Button colors */
    --btn-primary-bg: #238636;
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: #238636;
    --btn-secondary-text: #ffffff;
    --btn-play-bg: #238636;
    --btn-play-text: #ffffff;
    --btn-stop-bg: #da3633;
    --btn-stop-text: #ffffff;
    --btn-step-bg: #7d56f4;
    --btn-step-hover: #6c47d4;
    --btn-step-text: #ffffff;
    --btn-stroke-bg: #238636;
    --btn-stroke-text: #ffffff;
    --btn-rest-bg: #d29922;
    --btn-rest-text: #ffffff;
    --btn-class-bg: #1f6feb;
    --btn-class-text: #ffffff;
    --btn-class-b-bg: #00d9ff;
    --btn-class-b-text: #000000;
    --btn-tie-bg: #6e7681;
    --btn-tie-text: #ffffff;
    --btn-tie-active-bg: #fb8500;
    --btn-tie-active-text: #ffffff;
    --btn-tie-inactive-bg: #6e7681;
    --btn-tie-inactive-text: #8b949e;
    --btn-tie-disabled-bg: #444c56;
    --btn-tie-disabled-text: #6e7681;
    
    /* Input colors */
    --input-bg: #0d1117;
    --input-text: #e6e6e6;
    --input-border: #444c56;
    
    /* Notation display */
    --notation-text: #8b949e;
    
    /* Scrollbar colors */
    --scrollbar-track: #21262d;
    --scrollbar-thumb: #444c56;
    --scrollbar-thumb-hover: #6e7681;
}

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

body {
    font-family: 'Helvetica', 'Arial', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    padding: 20px;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-container);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 0;
    font-weight: bold;
    letter-spacing: 2px;
}

/* Theme Toggle Button */
.btn-theme-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    transition: transform 0.3s ease;
}

.btn-theme-toggle:hover {
    transform: scale(1.2);
}

[data-theme="dark"] .btn-theme-toggle::after {
    content: "";
}

h2 {
    font-size: 18px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

h3 {
    font-size: 14px;
    font-weight: bold;
    margin: 0;
}

.section {
    margin-bottom: 20px;
}

/* Form Groups */
.form-group {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    gap: 10px;
}

.form-group label {
    flex: 0 0 200px;
    text-align: right;
    font-size: 14px;
}

.form-group input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-size: 14px;
    background-color: var(--input-bg);
    color: var(--input-text);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Setup Parameters Inline */
.setup-params-inline {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: var(--bg-setup-params);
    border-radius: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    transition: background-color 0.3s ease;
}

.setup-params-inline .param-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.setup-params-inline .param-group label {
    flex: 0;
    text-align: left;
    font-size: 13px;
    font-weight: bold;
    min-width: auto;
}

.setup-params-inline input {
    width: 70px;
    padding: 6px 8px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-size: 12px;
    background-color: var(--input-bg);
    color: var(--input-text);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.setup-params-inline .btn {
    padding: 8px 12px;
    font-size: 12px;
    min-width: auto;
}

.info-text {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin: 15px 0;
    line-height: 1.5;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s, background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
    opacity: 0.8;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
}

.btn-randomize {
    background-color: #d946ef;
    color: white;
}

.btn-play {
    background-color: var(--btn-play-bg);
    color: var(--btn-play-text);
    font-size: 18px;
}

.btn-stop {
    background-color: var(--btn-stop-bg);
    color: var(--btn-stop-text);
    font-size: 18px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-toggle {
    flex: 1;
    margin: 0 5px;
}

.segments-container { display: flex; flex-direction: column; gap: 6px; }
.segment-row { margin-bottom: 0; }
.btn-segment-type { min-width: 84px; background: var(--btn-rest-bg); color: var(--btn-rest-text); }
.btn-segment-type.stroke { background: var(--btn-stroke-bg); color: var(--btn-stroke-text); }
.btn-step:disabled { opacity: .4; cursor: not-allowed; }
.btn-split { flex: 0 0 auto; background: var(--btn-secondary-bg); color: var(--btn-secondary-text); }

.btn-class {
    background-color: var(--btn-class-bg);
    color: var(--btn-class-text);
}

.btn-class.class-b {
    background-color: var(--btn-class-b-bg);
    color: var(--btn-class-b-text);
}

.btn-tie {
    background-color: var(--btn-tie-bg);
    color: var(--btn-tie-text);
}

.btn-tie.tied {
    background-color: var(--btn-tie-active-bg);
    color: var(--btn-tie-active-text);
}

.btn-tie.tied.ineffective {
    background-color: var(--btn-tie-inactive-bg);
    color: var(--btn-tie-inactive-text);
    text-decoration: line-through;
}

.btn-tie.disabled {
    background-color: var(--btn-tie-disabled-bg);
    color: var(--btn-tie-disabled-text);
    cursor: not-allowed;
}

/* Subdivision step buttons */
.btn-step {
    padding: 4px 10px;
    font-size: 10px;
    background-color: var(--btn-step-bg);
    color: var(--btn-step-text);
    min-width: 32px;
}

.btn-step:hover {
    background-color: var(--btn-step-hover);
}

/* Header Info */
.header-info {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.cycle-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    width: 100%;
}

.beat-counter {
    position: absolute;
    left: 0;
    font-size: 13px;
    font-weight: bold;
    color: var(--text-header);
}

.cycle-control label {
    font-size: 12px;
    font-weight: bold;
}

.cycle-control input {
    width: 70px;
    padding: 4px 8px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-size: 12px;
    background-color: var(--input-bg);
    color: var(--input-text);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.cycle-control span {
    font-size: 12px;
}

.cycle-control .btn {
    padding: 6px 10px;
    font-size: 11px;
}

.info-display {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

/* Beat Controls Header */
.beat-controls-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 10px;
}

/* Beats Container */
.beats-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--bg-section);
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.bar-header {
    margin: 14px 0 8px;
    padding: 7px 10px;
    color: var(--text-header);
    background: var(--bg-secondary);
    border-left: 4px solid var(--btn-primary-bg);
    border-radius: 3px;
    font-size: 14px;
}

.bar-header:first-child { margin-top: 0; }

.beat-control {
    background-color: var(--bg-beat-control);
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 4px;
    border: 1px solid var(--border-main);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.beat-header {
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 8px;
    background-color: var(--bg-beat-header);
    padding: 4px 8px;
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

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

.control-row label {
    font-size: 12px;
    min-width: 50px;
    text-align: right;
}

.number-input {
    width: 60px;
    padding: 4px 6px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 12px;
}

.slider {
    flex: 1;
    min-width: 150px;
}

/* Markers Section */
.markers-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.markers-section > label:first-child {
    font-size: 13px;
    font-weight: bold;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* B Parameters Section */
.b-params-section {
    background-color: var(--bg-b-params);
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid var(--border-b-params);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

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

.b-params-header-buttons {
    display: flex;
    gap: 6px;
    align-items: center;
}

.b-density-mode-hint {
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-secondary, #f5f5f5);
    border-left: 3px solid var(--accent-color, #888);
    padding: 4px 8px;
    margin-top: 4px;
    border-radius: 3px;
}

.b-density-label-inactive {
    opacity: 0.4;
    text-decoration: line-through;
}

.b-advanced-toggle-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 6px;
    margin-bottom: 2px;
}

.btn-toggle-advanced {
    background: none;
    border: none;
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    transition: color 0.2s;
}

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

.b-advanced {
    border-top: 1px dashed var(--border-b-params);
    margin-top: 8px;
    padding-top: 8px;
}

.b-advanced-label {
    font-style: italic;
    color: var(--text-secondary) !important;
    font-weight: normal !important;
}

.param-pair {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.param-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.param-row label {
    font-size: 11px;
    min-width: 50px;
}

.param-row label:first-child {
    font-weight: bold;
    min-width: 60px;
}

.param-row input,
.param-row select {
    padding: 3px 6px;
    border: 1px solid var(--border-input);
    border-radius: 3px;
    font-size: 11px;
    background-color: var(--input-bg);
    color: var(--input-text);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.param-row input[type="number"] {
    width: 60px;
}

.param-row select {
    width: 90px;
}

.param-sub {
    padding-left: 60px;
}

.param-sub label:first-child {
    color: #999;
    font-style: italic;
    font-weight: normal;
}

.hint {
    font-size: 9px;
    color: var(--text-hint);
    font-style: italic;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.action-buttons .btn {
    flex: 1;
    padding: 12px;
    font-size: 15px;
}

/* Playback Buttons */
.playback-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.playback-buttons .btn {
    flex: 1;
    padding: 15px;
}

/* Status Text */
.status-text {
    text-align: center;
    font-size: 13px;
    font-weight: bold;
    padding: 8px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.status-text.valid {
    background-color: #d1fae5;
    color: #065f46;
}

.status-text.invalid {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Pattern Display */
.pattern-display {
    background-color: var(--bg-pattern-display);
    color: #d4d4d4;
    padding: 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.5;
    transition: background-color 0.3s ease;
}

/* Notation Display (Verovio) */
#notation-display {
    background: var(--bg-notation);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    overflow-x: auto;
    border: 1px solid var(--border-main);
    min-height: 120px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

#notation-display svg {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

#notation-display p {
    text-align: center;
    color: var(--notation-text);
    font-style: italic;
    margin: 0;
    padding: 20px;
}

/* Scrollbar Styling */
.beats-container::-webkit-scrollbar,
.pattern-display::-webkit-scrollbar {
    width: 8px;
}

.beats-container::-webkit-scrollbar-track,
.pattern-display::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 4px;
}

.beats-container::-webkit-scrollbar-thumb,
.pattern-display::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

.beats-container::-webkit-scrollbar-thumb:hover,
.pattern-display::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Wave Functions Help Modal */
.wave-help-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.wave-help-overlay[aria-hidden="false"] {
    display: flex;
}

.wave-help-modal {
    background: var(--bg-container);
    color: var(--text-primary);
    border-radius: 8px;
    border: 1px solid var(--border-main);
    max-width: 520px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.wave-help-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-main);
    flex-shrink: 0;
}

.wave-help-header h2 {
    margin: 0;
    font-size: 16px;
    text-align: left;
}

.wave-help-body {
    padding: 16px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.5;
}

.wave-help-body section {
    margin-bottom: 16px;
}

.wave-help-body section:last-child {
    margin-bottom: 0;
}

.wave-help-body h3 {
    font-size: 13px;
    margin-bottom: 6px;
}

.wave-help-body p,
.wave-help-body ul {
    margin-bottom: 8px;
}

.wave-help-body ul {
    padding-left: 20px;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .container {
        padding: 15px;
    }
    
    .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-group label {
        text-align: left;
        flex: none;
    }
    
    .header-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .cycle-control {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .cycle-control .btn {
        padding: 5px 8px;
        font-size: 10px;
    }
    
    .param-row {
        font-size: 10px;
    }
}