#tournament-bracket-maker {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #333;
    line-height: 1.6;
    max-width: 100%;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    box-sizing: border-box;
    border: 1px solid #eaeaea;
}

#tournament-bracket-maker * {
    box-sizing: border-box;
}

/* Header */
#tournament-bracket-maker .tbm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    /* Reduced padding */
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    height: 50px;
}

/* User removed title, so just styling left/right areas */
#tournament-bracket-maker .tbm-header-left {
    display: flex;
    align-items: center;
}

/* Controls */
#tournament-bracket-maker .tbm-controls {
    display: flex;
    align-items: center;
}

#tournament-bracket-maker .tbm-btn-icon {
    background: #f8f9fa;
    border: 1px solid #eee;
    font-size: 1.2rem;
    cursor: pointer;
    color: #555;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

#tournament-bracket-maker .tbm-btn-icon:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
}

/* Layout - Vertical Stack */
#tournament-bracket-maker .tbm-layout {
    display: flex;
    flex-direction: column;
    background: #fdfdfd;
}

/* Sidebar */
#tournament-bracket-maker .tbm-sidebar {
    padding: 20px;
    /* Reduced padding */
    background: #fff;
    border-bottom: 1px solid #eee;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    /* Reduced gap */
    align-items: start;
}

@media (max-width: 768px) {
    #tournament-bracket-maker .tbm-sidebar {
        grid-template-columns: 1fr;
        padding: 15px;
        gap: 15px;
    }
}

#tournament-bracket-maker .tbm-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 150px;
}

/* Options panel should stretch to same height as sibling */
#tournament-bracket-maker .tbm-options-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Push buttons to the bottom of the options panel */
#tournament-bracket-maker .tbm-options-panel .tbm-actions {
    margin-top: auto;
}

#tournament-bracket-maker .tbm-label {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: #666;
    display: flex;
    justify-content: space-between;
}

#tournament-bracket-maker .tbm-count-tag {
    font-size: 0.8rem;
    color: #3498db;
    background: #eef7fc;
    padding: 2px 8px;
    border-radius: 10px;
}

#tournament-bracket-maker .tbm-textarea {
    width: 100%;
    height: 120px;
    padding: 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    resize: vertical;
    background: #fafafa;
    transition: border-color 0.2s, background 0.2s;
}

#tournament-bracket-maker .tbm-textarea:focus {
    outline: none;
    border-color: #3498db;
    background: #fff;
}

/* Toggles - Reduced Gap */
#tournament-bracket-maker .tbm-toggles-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 25px;
    /* Horizontal gap, minimal vertical gap */
}

#tournament-bracket-maker .tbm-toggle-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 2px 0;
    /* Tighter vertical spacing */
}

#tournament-bracket-maker input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #3498db;
}

/* Buttons Area */
#tournament-bracket-maker .tbm-actions-container {
    grid-column: 1 / -1;
    border-top: 1px solid #f5f5f5;
    padding-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

/* Redefine tbm-actions for grid layout context if needed, or just rely on container styling */
#tournament-bracket-maker .tbm-actions {
    display: flex;
    gap: 10px;
    width: 100%;
    flex-wrap: wrap;
}

#tournament-bracket-maker .tbm-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

#tournament-bracket-maker .tbm-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

#tournament-bracket-maker .tbm-btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: none;
}

#tournament-bracket-maker .tbm-btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

#tournament-bracket-maker .tbm-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #4aa3df, #3498db);
    box-shadow: 0 6px 12px rgba(52, 152, 219, 0.3);
    transform: translateY(-2px);
}

#tournament-bracket-maker .tbm-btn-secondary {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
}

#tournament-bracket-maker .tbm-btn-secondary:hover:not(:disabled) {
    box-shadow: 0 6px 12px rgba(46, 204, 113, 0.3);
    transform: translateY(-2px);
}

#tournament-bracket-maker .tbm-btn-danger {
    background: #ffffff;
    color: #e74c3c;
    border: 1px solid #e74c3c;
    box-shadow: none;
}

#tournament-bracket-maker .tbm-btn-danger:hover {
    background: #fff8f8;
}

/* Bracket Area (Bottom) */
#tournament-bracket-maker .tbm-main {
    flex: 1;
    background-color: #f8f9fa;
    background-image: radial-gradient(#e1e8ed 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    border-top: 1px solid #eee;
    padding: 0;
}

#tournament-bracket-maker .tbm-bracket-area {
    width: 100%;
    height: 100%;
    overflow: auto;
    position: relative;
    text-align: center;
}

#tournament-bracket-maker .tbm-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #bbb;
}

#tournament-bracket-maker .tbm-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.8;
    color: #dfe6e9;
}

/* SVG Styles */
#tournament-bracket-maker svg {
    margin: 0 auto;
    user-select: none;
    display: block;
}

/* Match Box Styles */
#tournament-bracket-maker .match-box {
    fill: #ffffff;
    stroke: #e0e0e0;
    stroke-width: 1.5;
    /* Slightly thicker */
    cursor: pointer;
    transition: all 0.3s ease;
    rx: 8px;
    /* High radius for more pill-like or soft rect */
}

#tournament-bracket-maker .match-box:hover {
    stroke: #3498db;
    filter: drop-shadow(0 4px 8px rgba(52, 152, 219, 0.2));
}

#tournament-bracket-maker .match-box.winner {
    fill: #fff;
    /* Keep white for cleanliness, use stroke/text for emphasis */
    stroke: #f1c40f;
    stroke-width: 3;
}

#tournament-bracket-maker .match-text {
    font-size: 14px;
    font-weight: 500;
    fill: #555;
    pointer-events: none;
    font-family: 'Helvetica Neue', sans-serif;
}

#tournament-bracket-maker .match-text.winner {
    font-weight: 700;
    fill: #000;
}

/* Lines */
#tournament-bracket-maker .line {
    stroke: #bdc3c7;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.3s ease;
}

/* Usage Counter Sticky Note (Refined) */
#tournament-bracket-maker p.sticky-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #fff;
    padding: 8px 16px;
    border: 1px solid #e1e1e1;
    border-radius: 50px;
    /* Pill shape */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    font-weight: 500;
    margin-left: auto;
    /* Push to right in flex container */
    margin-top: 0;
    font-size: 0.8rem;
    color: #666;
}

#tournament-bracket-maker p.sticky-note::before {
    display: none;
    /* Remove the dog-ear */
}

#tournament-bracket-maker .loading {
    color: #bbb;
}

/* Fullscreen Overrides */
#tournament-bracket-maker.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2147483647;
    /* Max z-index to overlay WordPress admin bar and footer */
    border-radius: 0;
    margin: 0;
    border: none;
    background: #f8f9fa;
    padding-top: 50px;
    /* Optional top padding if needed, but centering handles it */
}

#tournament-bracket-maker.fullscreen .tbm-header,
#tournament-bracket-maker.fullscreen .tbm-sidebar {
    display: none;
}

#tournament-bracket-maker.fullscreen .tbm-layout {
    height: 100%;
    overflow: hidden;
}

#tournament-bracket-maker.fullscreen .tbm-main {
    height: 100%;
    border-top: none;
    padding: 0;
    background-image: radial-gradient(#e1e8ed 1px, transparent 1px);
    display: flex;
    align-items: center;
    justify-content: center;
}

#tournament-bracket-maker.fullscreen svg {
    width: 80vw !important;
    height: 80vh !important;
    max-width: 80vw;
    max-height: 80vh;
    margin: auto;
}