:root {
    --bg-color: #0a0a0a;
    --panel-bg: #151515;
    --header-bg: #111111;
    --text-main: #ffffff;
    --text-muted: #888888;
    --accent-color: #ff4b4b; 
    --border-color: #222222;
    --grid-lines: #333333;
    --success-rgb: 70, 140, 220; 
    --failure-rgb: 220, 80, 80;  
    --modal-bg: rgba(21, 21, 21, 0.98);
}

[data-theme="light"] {
    --bg-color: #f4f1ea;
    --panel-bg: #ffffff;
    --header-bg: #eae5d9;
    --text-main: #222222;
    --text-muted: #666666;
    --accent-color: #d32f2f; 
    --border-color: #dcd7cb;
    --grid-lines: #dcd7cb;
    --success-rgb: 25, 60, 110; 
    --failure-rgb: 160, 30, 30; 
    --modal-bg: rgba(244, 241, 234, 0.98);
}

body {
    margin: 0; padding: 0;
    background-color: var(--bg-color); color: var(--text-main);
    font-family: 'Inter', sans-serif; overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.header {
    padding: 20px 40px; border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
    background-color: var(--bg-color); transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header h1 {
    font-family: 'Oswald', sans-serif; margin: 0; font-size: 24px;
    border-left: 4px solid var(--accent-color); padding-left: 10px;
    text-transform: uppercase; color: var(--text-main);
}

.back-btn {
    color: var(--text-muted); text-decoration: none;
    font-family: 'Inter', sans-serif; font-size: 14px;
    font-weight: 500; letter-spacing: 1px; transition: color 0.2s ease;
}
.back-btn:hover { color: var(--text-main); }

#virtue-ledger-app { width: 100%; max-width: 1000px; margin: 40px auto; padding: 0 20px; box-sizing: border-box;}
#virtue-ledger-app .vl-container { 
    background: var(--panel-bg); border-radius: 12px; padding: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3); border: 1px solid var(--border-color);
    display: flex; flex-direction: column; transition: background-color 0.3s ease, border-color 0.3s ease;
}
#virtue-ledger-app .top-controls { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
#virtue-ledger-app .vl-btn {
    background: var(--header-bg); color: var(--text-main); border: 1px solid var(--border-color);
    border-radius: 4px; padding: 10px 20px; font-family: 'Oswald', sans-serif; 
    font-size: 15px; cursor: pointer; transition: all 0.2s; letter-spacing: 0.5px;
}
#virtue-ledger-app .vl-btn:hover { background: var(--accent-color); border-color: var(--accent-color); color: #fff; }
#virtue-ledger-app .vl-btn:disabled { opacity: 0.4; cursor: not-allowed; }
#virtue-ledger-app .vl-input {
    background: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color);
    border-radius: 4px; padding: 10px 15px; font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
#virtue-ledger-app .vl-input:focus { outline: none; border-color: var(--accent-color); }
#virtue-ledger-app .calendar-nav { 
    display: flex; justify-content: space-between; align-items: center; 
    margin-bottom: 20px; padding: 15px; background: var(--header-bg); 
    border-radius: 8px; border: 1px solid var(--border-color); transition: background-color 0.3s ease, border-color 0.3s ease;
}
#virtue-ledger-app .calendar-nav h2 { margin: 0; font-size: 20px; font-family: 'Oswald', sans-serif; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
#virtue-ledger-app .tool-palette { display: flex; justify-content: center; align-items: center; gap: 15px; margin-bottom: 25px; }
#virtue-ledger-app .palette-label { font-family: 'Oswald', sans-serif; font-size: 16px; margin-right: 5px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;}
#virtue-ledger-app .tool-btn { 
    border-radius: 20px; border: 1px solid var(--grid-lines); background: transparent; 
    color: var(--text-muted); padding: 8px 20px; cursor: pointer; font-family: 'Inter', sans-serif; font-weight: 500; transition: all 0.2s;
}
#virtue-ledger-app .tool-btn.active { color: var(--bg-color); border-color: var(--text-main); background: var(--text-main); }
#virtue-ledger-app #tool-success.active { background-color: rgba(var(--success-rgb), 0.15); border-color: rgb(var(--success-rgb)); color: rgb(var(--success-rgb));}
#virtue-ledger-app #tool-failure.active { background-color: rgba(var(--failure-rgb), 0.15); border-color: rgb(var(--failure-rgb)); color: rgb(var(--failure-rgb));}
#virtue-ledger-app #tool-eraser.active { background-color: rgba(136,136,136,0.15); border-color: #888; color: var(--text-muted);}

/* --- THE GRID: STICKY HEADERS & MAX HEIGHT --- */
#virtue-ledger-app .grid-container {
    display: grid; gap: 1px;
    background-color: var(--grid-lines); border: 1px solid var(--grid-lines); 
    overflow: auto; max-height: 75vh;
    border-radius: 8px; transition: background-color 0.3s ease, border-color 0.3s ease;
}
#virtue-ledger-app .grid-cell, #virtue-ledger-app .grid-header {
    background-color: var(--panel-bg); padding: 15px 5px; text-align: center;
    min-height: 60px; position: relative; cursor: pointer; display: flex;
    align-items: center; justify-content: center; user-select: none; overflow: hidden; 
    font-size: 14px; transition: background-color 0.3s ease;
}
#virtue-ledger-app .grid-header { font-weight: 700; cursor: default; background-color: var(--header-bg); color: var(--text-muted); font-family: 'Oswald', sans-serif; letter-spacing: 0.5px; text-transform: uppercase;}

/* Sticky Positioning Classes */
#virtue-ledger-app .sticky-top { position: sticky; top: 0; z-index: 10; }
#virtue-ledger-app .virtue-label { 
    text-align: left; padding-left: 15px; font-family: 'Inter', sans-serif; font-weight: 500; color: var(--text-main); text-transform: none; letter-spacing: 0;
    position: sticky; left: 0; z-index: 11; background-color: var(--panel-bg);
    box-shadow: 2px 0 5px rgba(0,0,0,0.2);
}
#virtue-ledger-app .top-corner { position: sticky; top: 0; left: 0; z-index: 12; background-color: var(--header-bg); box-shadow: 2px 2px 5px rgba(0,0,0,0.2); }

#virtue-ledger-app .cell-ink-canvas { position: absolute; inset: 0; width: 100%; height: 100%; filter: url(#true-ink); pointer-events: none; }

/* Fixed Ink Drop Styling */
#virtue-ledger-app .ink-drop { 
    position: absolute; 
    width: 30px; 
    height: 30px; 
    pointer-events: none; 
}
#virtue-ledger-app .ink-success { --ink-color: var(--success-rgb); }
#virtue-ledger-app .ink-failure { --ink-color: var(--failure-rgb); }
#virtue-ledger-app .ink-core {
    position: absolute; inset: 0; background: radial-gradient(circle at 40% 40%, rgba(var(--ink-color), 0.7) 0%, rgba(var(--ink-color), 0.95) 70%, rgba(var(--ink-color), 1) 100%);
    box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.4), inset 1px 1px 2px rgba(255, 255, 255, 0.25); border-radius: 50%;
}
#virtue-ledger-app .ink-splatter { position: absolute; background: rgb(var(--ink-color)); border-radius: 50%; box-shadow: inset 0 0 1px rgba(0,0,0,0.5); }
#virtue-ledger-app .status-bar { text-align: center; margin-top: 20px; height: 20px; font-family: 'Inter', sans-serif; font-size: 13px; color: var(--text-muted); font-style: italic;}

#virtue-ledger-app .vl-modal {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(8px); z-index: 9999;
    display: flex; justify-content: center; align-items: center; opacity: 1; transition: opacity 0.3s;
}
#virtue-ledger-app .vl-modal.hidden { opacity: 0; pointer-events: none; }
#virtue-ledger-app .modal-content {
    background: var(--modal-bg); width: 95%; max-width: 1000px; height: 85vh; 
    border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; box-sizing: border-box;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8); display: flex; flex-direction: column; transition: background-color 0.3s ease, border-color 0.3s ease;
}
#virtue-ledger-app .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 20px;}
#virtue-ledger-app .modal-header h2 { margin: 0; font-family: 'Oswald', sans-serif; font-size: 32px; text-transform: uppercase; color: var(--text-main); }
#virtue-ledger-app .close-btn { border: none; font-size: 36px; padding: 0; line-height: 1; background: transparent; color: var(--text-muted); cursor: pointer; transition: color 0.2s;}
#virtue-ledger-app .close-btn:hover { color: var(--accent-color); }
#virtue-ledger-app .modal-sync-panel { background: var(--header-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; margin-bottom: 30px; transition: background-color 0.3s ease, border-color 0.3s ease;}
#virtue-ledger-app .url-container { display: flex; gap: 15px; margin-top: 10px; }
#virtue-ledger-app #sync-url-display { flex-grow: 1; padding: 12px 15px; background: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color); border-radius: 4px; font-family: monospace; font-size: 14px; }
#virtue-ledger-app .primary-btn { background: var(--text-main); color: var(--bg-color); border-color: transparent; }
#virtue-ledger-app .primary-btn:hover { background: var(--accent-color); color: #fff;}
#virtue-ledger-app .modal-tabs { display: flex; gap: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 0; margin-bottom: 30px; }
#virtue-ledger-app .tab-btn { border: none; font-size: 16px; padding: 10px 15px; opacity: 0.5; font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1px; background: transparent; color: var(--text-main); cursor: pointer; border-bottom: 3px solid transparent;}
#virtue-ledger-app .tab-btn.active { opacity: 1; border-bottom-color: var(--accent-color); color: var(--accent-color);}
#virtue-ledger-app .modal-panel { display: none; flex-grow: 1; overflow-y: auto; padding-right: 15px;}
#virtue-ledger-app .modal-panel.active { display: flex; flex-direction: column; }
#virtue-ledger-app .modal-panel h3 { margin-top: 0; margin-bottom: 15px; font-family: 'Oswald', sans-serif; font-size: 22px; color: var(--text-main); text-transform: uppercase; letter-spacing: 1px;}
#virtue-ledger-app .modal-desc { font-size: 15px; color: var(--text-main); opacity: 0.9; margin-bottom: 20px; line-height: 1.7; }
#virtue-ledger-app .virtues-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 25px; }
#virtue-ledger-app .virtue-pill { background: var(--header-bg); border: 1px solid var(--border-color); padding: 12px 20px; border-radius: 6px; display: flex; align-items: center; justify-content: space-between; transition: background-color 0.3s ease, border-color 0.3s ease;}
#virtue-ledger-app .virtue-edit-input { background: transparent; color: var(--text-main); border: none; border-bottom: 1px dashed var(--text-muted); font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 500; flex-grow: 1; margin-right: 20px; padding: 4px 0;}
#virtue-ledger-app .virtue-edit-input:focus { outline: none; border-bottom-style: solid; border-bottom-color: var(--accent-color);}
#virtue-ledger-app .virtue-controls button { background: transparent; border: none; color: var(--text-muted); padding: 0 10px; cursor: pointer; font-size: 20px; transition: color 0.2s;}
#virtue-ledger-app .virtue-controls button:hover { color: var(--text-main); }
#virtue-ledger-app .virtue-controls .remove-virtue:hover { color: var(--accent-color); }
#virtue-ledger-app .add-virtue-container { display: flex; gap: 15px; margin-top: 15px;}
#virtue-ledger-app .add-date-container { display: flex; gap: 15px; margin-bottom: 20px; align-items: center;}
#virtue-ledger-app .table-container { width: 100%; overflow-x: auto; border: 1px solid var(--border-color); border-radius: 8px; flex-grow: 1; background: var(--header-bg); transition: background-color 0.3s ease, border-color 0.3s ease;}
#virtue-ledger-app #data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
#virtue-ledger-app #data-table th, #virtue-ledger-app #data-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-color); border-right: 1px solid var(--border-color); white-space: nowrap; }
#virtue-ledger-app #data-table th { background: var(--header-bg); font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); position: sticky; top: 0; z-index: 10;}
#virtue-ledger-app .cell-input { width: 60px; background: transparent; color: var(--text-main); border: none; border-bottom: 1px dashed var(--border-color); font-family: monospace; text-align: center; font-size: 16px; font-weight: 700; transition: border-color 0.2s;}
#virtue-ledger-app .cell-input:focus { outline: none; border-bottom-color: var(--accent-color); }

/* --- THE STACK VIEW COMPRESSION LOGIC (Now Global) --- */
#virtue-ledger-app .grid-container.stack-view { overflow: hidden; max-height: none; }
#virtue-ledger-app .grid-container.stack-view .virtue-label { padding-left: 5px; font-size: 10px; white-space: normal; line-height: 1.1; min-height: 28px; }
#virtue-ledger-app .grid-container.stack-view .grid-header { font-size: 9px; padding: 2px; min-height: 28px; }
#virtue-ledger-app .grid-container.stack-view .grid-cell { min-height: 28px; padding: 2px; }
#virtue-ledger-app .grid-container.stack-view .ink-drop { width: 20px; height: 20px; }

/* --- MOBILE RESPONSIVENESS PATCH --- */
@media (max-width: 768px) {
    .header { padding: 15px 20px; flex-direction: column; gap: 10px; }

    #virtue-ledger-app { padding: 0 10px; margin: 20px auto; }
    #virtue-ledger-app .vl-container { padding: 15px !important; }

    #virtue-ledger-app .modal-content {
        padding: 20px 15px !important; width: 100% !important; height: 100vh !important;
        max-height: 100vh !important; border-radius: 0 !important; border: none !important;
    }
    #virtue-ledger-app .table-container { -webkit-overflow-scrolling: touch; }
    #virtue-ledger-app .cell-input { min-width: 45px; padding: 8px 0; }

    #virtue-ledger-app .modal-tabs {
        overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 5px; flex-shrink: 0;
    }
    #virtue-ledger-app .tab-btn { white-space: nowrap; font-size: 14px; padding: 8px 12px; }

    #virtue-ledger-app .top-controls { gap: 8px; }
    #virtue-ledger-app .vl-btn { padding: 8px 12px; font-size: 12px; }
    #virtue-ledger-app .calendar-nav h2 { font-size: 16px; }

    #virtue-ledger-app .virtue-pill { flex-wrap: wrap; gap: 10px; }
    #virtue-ledger-app .virtue-edit-input { width: 100%; margin-right: 0; }
    #virtue-ledger-app .virtue-controls { width: 100%; justify-content: flex-end; }
}