/* --- THEME DEFINITIONS --- */
:root { /* Default Light Theme */
    --bg-color: #f4f7f6;
    --column-bg: #e8e8e8;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --text-color: #333;
    --header-color: #555;
    --border-color: #ddd;
    --border-radius: 8px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --tag-urgent: #e53935;
    --tag-high: #fb8c00;
    --tag-medium: #43a047;
    --tag-low: #1e88e5;
    --tag-custom-bg: #6c757d;
    --pen-color: #000000;
}

body.theme-dark {
    --bg-color: #121212;
    --column-bg: #1e1e1e;
    --card-bg: #2c2c2c;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --text-color: #e0e0e0;
    --header-color: #b0b0b0;
    --border-color: #444;
    --pen-color: #FFFFFF;
}

body.theme-blueprint {
    --bg-color: #0a192f;
    --column-bg: #0f2340;
    --card-bg: #17325e;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --primary-color: #64ffda;
    --primary-hover: #4ccfb1;
    --text-color: #ccd6f6;
    --header-color: #8892b0;
    --border-color: #233554;
    --font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
    --tag-urgent: #ff649b;
    --tag-high: #ffc464;
    --tag-medium: #64ffda;
    --tag-low: #64bfff;
    --pen-color: #FFFFFF;
}

body.theme-sepia {
    --bg-color: #fbf0e4;
    --column-bg: #e6dace;
    --card-bg: #fff8f0;
    --shadow-color: rgba(85, 68, 51, 0.15);
    --primary-color: #8d6e63;
    --primary-hover: #6d4c41;
    --text-color: #5d4037;
    --header-color: #4e342e;
    --border-color: #d7ccc8;
    --font-family: 'Georgia', 'Times New Roman', serif;
}

body.theme-ink {
    --bg-color: #ffffff;
    --column-bg: #f5f5f5;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --primary-color: #000000;
    --primary-hover: #444444;
    --text-color: #000000;
    --header-color: #333333;
    --border-color: #e0e0e0;
    --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --tag-urgent: #000;
    --tag-high: #333;
    --tag-medium: #666;
    --tag-low: #999;
}

body.theme-colorful {
    --bg-color: #f8f9fa;
    --column-bg: #e3f2fd;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --primary-color: #e91e63;
    --primary-hover: #c2185b;
    --text-color: #212121;
    --header-color: #424242;
    --border-color: #bbdefb;
    --tag-urgent: #f44336;
    --tag-high: #ff9800;
    --tag-medium: #4caf50;
    --tag-low: #2196f3;
}

body.theme-neon {
    --bg-color: #0d0d0d;
    --column-bg: #1a1a1a;
    --card-bg: #222222;
    --shadow-color: rgba(255, 0, 255, 0.2);
    --primary-color: #ff00ff;
    --primary-hover: #d100d1;
    --text-color: #00ffff;
    --header-color: #cccccc;
    --border-color: #6a0dad;
    --font-family: 'Roboto Mono', monospace;
    --tag-urgent: #ff1744;
    --tag-high: #ffea00;
    --tag-medium: #00e676;
    --tag-low: #2979ff;
    --pen-color: #FFFFFF;
}

body.theme-sunrise {
    --bg-color: #263238;
    --column-bg: #37474f;
    --card-bg: #455a64;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --primary-color: #ff9800;
    --primary-hover: #f57c00;
    --text-color: #eceff1;
    --header-color: #ffca28;
    --border-color: #546e7a;
    --font-family: 'Lato', sans-serif;
    --tag-urgent: #e53935;
    --tag-high: #fb8c00;
    --tag-medium: #fdd835;
    --tag-low: #ffeb3b;
    --pen-color: #FFFFFF;
}

body.theme-forest {
    --bg-color: #1b262c;
    --column-bg: #0f4c75;
    --card-bg: #3282b8;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --primary-color: #f9a825;
    --primary-hover: #f59700;
    --text-color: #bbe1fa;
    --header-color: #ddeeff;
    --border-color: #0a3c5f;
    --tag-urgent: #c62828;
    --tag-high: #ef6c00;
    --tag-medium: #689f38;
    --tag-low: #1976d2;
    --pen-color: #FFFFFF;
}

/* --- ANIMATIONS & TRANSITIONS --- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes shrinkFadeOut { from { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(0.8); } }
@keyframes stream-pulse { 0% { border-color: var(--primary-color); } 50% { border-color: transparent; } 100% { border-color: var(--primary-color); } }
@keyframes zoomOut { from { transform: scale(1.1); opacity: 1; } to { transform: scale(1.0); opacity: 0; } }


body { font-family: var(--font-family); background-color: var(--bg-color); color: var(--text-color); margin: 0; padding: 20px; box-sizing: border-box; transition: background-color 0.3s, color 0.3s; }
#app-container { max-width: 1400px; margin: 0 auto; }
.app-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 15px; }
.app-header h1 { color: var(--header-color); margin: 0; }
.header-main-controls { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.header-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 10px; }
#search-input { padding: 10px 15px; font-size: 16px; border-radius: var(--border-radius); border: 1px solid var(--border-color); flex-grow: 1; max-width: 400px; background-color: var(--card-bg); color: var(--text-color); }
.icon-btn { background: none; border: 1px solid var(--border-color); color: var(--header-color); padding: 8px 12px; font-size: 20px; border-radius: var(--border-radius); cursor: pointer; transition: background-color 0.2s, color 0.2s; line-height: 1; }
.icon-btn:hover { background-color: var(--column-bg); }
.icon-btn.active { background-color: var(--primary-color); color: white; }
body.theme-blueprint .icon-btn.active, body.theme-forest .icon-btn.active, body.theme-sunrise .icon-btn.active { color: #0a192f; }

#add-idea-btn { background-color: var(--primary-color); color: white; border: none; padding: 12px 20px; border-radius: var(--border-radius); font-size: 16px; cursor: pointer; transition: background-color 0.2s; width: 100%; }
#add-idea-btn:hover { background-color: var(--primary-hover); }
body.theme-blueprint #add-idea-btn, body.theme-neon #add-idea-btn, body.theme-forest #add-idea-btn, body.theme-sunrise #add-idea-btn { color: #0a192f; }

#idea-board { display: flex; gap: 20px; overflow-x: auto; padding-bottom: 15px; }
.column { background-color: var(--column-bg); border-radius: var(--border-radius); padding: 15px; min-width: 300px; flex: 1; display: flex; flex-direction: column; transition: background-color 0.3s; }
.column.column-archive { opacity: 0.85; border: 2px dashed var(--border-color); background-color: transparent; }
.column.column-stream { border: 2px dashed var(--primary-color); animation: stream-pulse 4s infinite ease-in-out; background-color: transparent; }
.column h2 { margin: 0 0 15px 0; font-size: 18px; color: var(--header-color); padding-bottom: 10px; border-bottom: 2px solid var(--border-color); }
#quick-add-input { width: 100%; padding: 8px; margin-top: 10px; box-sizing: border-box; border-radius: 4px; border: 1px solid var(--border-color); background-color: var(--card-bg); color: var(--text-color); }
.cards-container { flex-grow: 1; min-height: 150px; transition: background-color 0.2s; }
.cards-container.drag-over { background-color: rgba(0,0,0,0.1); }
.empty-state-message { text-align: center; padding: 20px; color: #888; font-style: italic; border: 2px dashed var(--border-color); border-radius: var(--border-radius); }

.card { background-color: var(--card-bg); border-radius: var(--border-radius); padding: 15px; margin-bottom: 15px; box-shadow: 0 2px 5px var(--shadow-color); cursor: grab; transition: all 0.3s ease; animation: fadeIn 0.4s ease-out forwards; }
.card.card-removing { animation: shrinkFadeOut 0.4s forwards; }
.card:active { cursor: grabbing; }
.card.dragging { opacity: 0.5; box-shadow: 0 8px 20px var(--shadow-color); }
.card.drop-target { box-shadow: 0 0 0 4px var(--primary-color) inset; }
.card.hidden { display: none; }
.card-tags-container { margin-bottom: 10px; display: flex; flex-wrap: wrap; gap: 5px; }
.card-tag { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; color: white; }
body.theme-sunrise .card-tag.priority-medium, body.theme-sunrise .card-tag.priority-low, body.theme-neon .card-tag.priority-high { color: #000; }
.card-tag.priority-urgent { background-color: var(--tag-urgent); }
.card-tag.priority-high { background-color: var(--tag-high); }
.card-tag.priority-medium { background-color: var(--tag-medium); }
.card-tag.priority-low { background-color: var(--tag-low); }
.card-tag.card-tag-custom { background-color: var(--tag-custom-bg); }
.card-image { max-width: 100%; border-radius: 4px; margin-bottom: 10px; }
.card p { margin: 0 0 15px 0; white-space: pre-wrap; word-wrap: break-word; }
.card-link { display: inline-block; margin-bottom: 15px; font-size: 13px; color: var(--primary-color); text-decoration: none; background-color: var(--column-bg); padding: 5px 10px; border-radius: 4px; transition: background-color 0.2s; word-break: break-all; }
.card-link:hover { text-decoration: underline; background-color: var(--border-color); }
.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 15px; padding-top: 10px; border-top: 1px solid var(--border-color); }
.card-actions-group { display: flex; align-items: center; gap: 8px; }
.card-footer button { background: none; border: none; cursor: pointer; font-size: 22px; color: #aaa; padding: 8px; border-radius: 50%; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; transition: background-color 0.2s, color 0.2s; }
.card-footer button:hover { color: var(--text-color); background-color: var(--column-bg); }
.card-delete:hover { background-color: rgba(229, 57, 53, 0.1); color: var(--tag-urgent); }
.card-restore:hover { background-color: rgba(67, 160, 71, 0.1); color: var(--tag-medium); }
.card-time { font-size: 12px; color: #777; }


/* --- Eisenhower Matrix Styles --- */
#eisenhower-matrix-view {
    display: none; /* Hidden by default */
    padding: 40px 0; /* Space for axis labels */
    position: relative;
}

.matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
    min-height: 70vh;
}

.matrix-quadrant {
    background-color: var(--column-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    display: flex;
    flex-direction: column;
}
.matrix-quadrant h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: var(--header-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}
.matrix-quadrant h3 span {
    font-weight: normal;
    font-size: 13px;
    opacity: 0.7;
    display: block;
}
.matrix-quadrant.drag-over {
    border: 2px solid var(--primary-color);
    background-color: color-mix(in srgb, var(--column-bg) 80%, var(--primary-color) 20%);
}
.matrix-cards-container {
    flex-grow: 1;
    overflow-y: auto;
}
.matrix-axis-label {
    position: absolute;
    color: var(--header-color);
    font-weight: bold;
    font-size: 14px;
}
.matrix-axis-y {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    left: -10px;
    display: flex;
    flex-direction: column-reverse;
    justify-content: space-around;
    height: 100%;
    text-align: center;
    top: 0;
}
.matrix-axis-x {
    top: -10px;
    width: 100%;
    display: flex;
    justify-content: space-around;
    text-align: center;
}
.matrix-axis-y > div, .matrix-axis-x > div {
    flex-basis: 50%;
}


/* --- View Toggling --- */
.kanban-view #eisenhower-matrix-view, .kanban-view #view-archive-btn.active ~ #idea-board { display: none; }
.matrix-view #idea-board, .matrix-view #view-archive-btn, .matrix-view #view-stream-btn, .matrix-view #add-idea-btn, .matrix-view #muse-btn { display: none; }

/* Modal styles */
#idea-modal, #help-modal { border: 1px solid var(--border-color); background-color: var(--bg-color); color: var(--text-color); border-radius: var(--border-radius); box-shadow: 0 5px 15px rgba(0,0,0,0.2); padding: 25px; width: 90%; max-width: 500px; max-height: 90vh; overflow-y: auto; }
#idea-modal[open], #help-modal[open] { animation: slideIn 0.4s ease-out forwards; }
#idea-modal.closing { animation: fadeOut 0.3s ease-in forwards; }
#idea-modal::backdrop, #help-modal::backdrop { background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(3px); }

#help-modal h3 { margin-top: 1.5em; margin-bottom: 0.5em; color: var(--header-color); border-bottom: 1px solid var(--border-color); padding-bottom: 5px; }
#help-modal ul { padding-left: 20px; }
#help-modal li { margin-bottom: 10px; }
#help-modal p, #help-modal li { line-height: 1.6; }
#help-modal code { background-color: var(--column-bg); padding: 2px 5px; border-radius: 4px; }
#help-modal strong { color: var(--tag-urgent); }
#help-modal .credits { margin-top: 2em; text-align: center; font-size: 12px; color: #888; }

#idea-form { display: flex; flex-direction: column; gap: 15px; }
#idea-form label, #idea-form summary { font-weight: bold; }
#idea-form input, #idea-form textarea, #idea-form select { width: 100%; padding: 10px; border: 1px solid var(--border-color); border-radius: 4px; font-size: 16px; box-sizing: border-box; background-color: var(--card-bg); color: var(--text-color); }
#idea-form textarea { resize: vertical; min-height: 100px; }
.form-textarea-wrapper { position: relative; }
#mic-btn { position: absolute; bottom: 8px; right: 8px; background: none; border: none; cursor: pointer; font-size: 28px; color: var(--primary-color); padding: 8px; line-height: 1; }
#mic-btn.listening { color: var(--tag-urgent); transform: scale(1.1); }
#sketch-pad-container { margin-top: 10px; }
#idea-canvas { border: 1px solid var(--border-color); cursor: crosshair; touch-action: none; }
#clear-canvas-btn { background-color: #6c757d; color: white; margin-top: 5px;}
#current-image-preview { max-width: 100px; max-height: 100px; border-radius: 4px; border: 1px solid var(--border-color); margin-bottom: 10px;}
.form-buttons { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }
.form-buttons button { padding: 10px 20px; border-radius: 4px; border: none; font-size: 16px; cursor: pointer; }
#save-idea-btn { background-color: var(--primary-color); color: white; }
body.theme-blueprint #save-idea-btn, body.theme-neon #save-idea-btn, body.theme-forest #save-idea-btn, body.theme-sunrise #save-idea-btn { color: #0a192f; }
#cancel-idea-btn { background-color: #ccc; }
.time-input-container { display: flex; gap: 10px; align-items: center; }
.time-input-container input { flex-grow: 1; }
.time-input-container select { flex-basis: 120px; }

#move-menu { position: fixed; z-index: 1000; background-color: var(--card-bg); border-radius: var(--border-radius); box-shadow: 0 4px 15px var(--shadow-color); border: 1px solid var(--border-color); padding: 5px; display: none; flex-direction: column; gap: 5px; animation: fadeIn 0.2s ease-out; }
#move-menu button { background: none; border: none; color: var(--text-color); text-align: left; padding: 10px 15px; font-size: 16px; cursor: pointer; border-radius: 4px; }
#move-menu button:hover { background-color: var(--column-bg); }
#move-menu-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 999; display: none; }

#photo-picker-dialog { position: fixed; z-index: 1001; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: var(--bg-color); color: var(--text-color); padding: 25px; border-radius: var(--border-radius); box-shadow: 0 5px 15px rgba(0,0,0,0.3); width: 90%; max-width: 300px; display: none; animation: slideIn 0.3s; }
#photo-picker-dialog h3 { margin-top: 0; color: var(--header-color); }
#photo-picker-dialog .form-buttons { flex-direction: column; align-items: stretch; }
#photo-picker-dialog button { width: 100%; }
#photo-picker-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); backdrop-filter: blur(3px); z-index: 1000; display: none; }

#update-notification { display: none; position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background-color: var(--primary-color); color: white; padding: 15px 25px; border-radius: var(--border-radius); box-shadow: 0 4px 15px var(--shadow-color); cursor: pointer; z-index: 2000; animation: slideIn 0.5s forwards; }
body.theme-blueprint #update-notification, body.theme-neon #update-notification, body.theme-forest #update-notification, body.theme-sunrise #update-notification { color: #0a192f; }

@media (max-width: 768px) {
    body { padding: 10px; }
    .app-header { flex-direction: column; align-items: stretch; gap: 20px;}
    #search-input { max-width: none; }
    .header-main-controls { align-items: stretch; }
    .header-controls { justify-content: space-between; }
    #idea-board { flex-direction: column; }
    .column { min-width: 0; }
    .matrix-axis-label { display: none; }
    #eisenhower-matrix-view { padding: 0; }
}

/* --- Focus Mode Styles --- */
#focus-modal { background: transparent; border: none; padding: 0; margin: auto; max-width: fit-content; }
#focus-modal::backdrop { background: rgba(10, 10, 20, 0.7); backdrop-filter: blur(5px); animation: fadeIn 0.2s ease-out forwards; }
#focus-modal.closing::backdrop { animation: fadeOut 0.3s ease-in forwards; }
#focus-modal .card { transform: scale(1.1); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5); filter: brightness(1.05); margin-bottom: 0; cursor: default; min-width: 300px; animation: slideIn 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards; }
#focus-modal.closing .card { animation: zoomOut 0.3s ease-in forwards; }
body:has(#focus-modal[open]) #app-container { visibility: hidden; }