.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 2rem 3rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.page-header .subtitle {
    color: var(--muted);
    font-size: 0.85rem;
}

/* 3D Scene */
.scene-panel {
    padding: 0;
    overflow: hidden;
    position: relative;
}

#diceCanvas {
    display: block;
    width: 100%;
    height: 450px;
    border-radius: 5px;
}

/* Layout */
.roller-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.roller-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.history-panel {
    width: 260px;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

/* Panels */
.panel {
    background: var(--surface);
    border: 3px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem 1.5rem;
}

.panel-title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin-bottom: 1rem;
}

/* Dice picker buttons */
.dice-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dice-btn {
    width: 72px;
    height: 72px;
    border: 3px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.1s, border-color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dice-btn:hover {
    border-color: var(--accent);
    background: rgba(255, 107, 107, 0.1);
    transform: translateY(-2px);
}

.dice-btn:active {
    transform: scale(0.95);
}

/* Custom roll row */
.custom-input-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.input-field {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
    padding: 0.6rem 0.5rem;
    text-align: center;
    outline: none;
    transition: border-color 0.15s;
}

.input-field:focus {
    border-color: var(--accent);
}

.count-input { width: 60px; }
.sides-input { width: 72px; }
.mod-input { width: 68px; }

.input-d {
    color: var(--muted);
    font-size: 1.1rem;
    font-weight: 800;
}

/* Buttons */
.btn {
    padding: 0.7rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.15s;
    color: #fff;
    min-height: 48px;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(0.97); }

.btn-accent {
    background: var(--accent);
}

.btn-roll {
    width: 100%;
    margin-top: 0.8rem;
    font-size: 1.1rem;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, var(--accent), #e05555);
    border: none;
    min-height: 52px;
}

.btn-roll:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-small {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

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

/* Tray */
.tray-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.tray-header .panel-title {
    margin-bottom: 0;
}

.selected-dice {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 40px;
}

.tray-die {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
}

.tray-die .remove-die {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 2px;
    line-height: 1;
    transition: color 0.15s;
}

.tray-die .remove-die:hover {
    color: var(--accent);
}

.empty-msg {
    color: var(--muted);
    font-size: 0.8rem;
    font-style: italic;
}

/* Results */
.result-dice {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 1rem;
}

.die-result {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 900;
    border: 3px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    transition: transform 0.3s;
}

.die-result.nat-max {
    border-color: var(--yellow);
    color: var(--yellow);
    box-shadow: 0 0 12px rgba(254, 202, 87, 0.3);
}

.die-result.nat-one {
    border-color: var(--accent);
    color: var(--accent);
}

@keyframes dieAppear {
    0% { transform: scale(0) rotate(-180deg); opacity: 0; }
    70% { transform: scale(1.15) rotate(10deg); }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.die-result.animate {
    animation: dieAppear 0.4s ease-out forwards;
}

.result-total {
    text-align: center;
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--accent), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0.5rem 0;
}

.result-total .modifier-text {
    font-size: 1rem;
    -webkit-text-fill-color: var(--muted);
    display: block;
    margin-top: 0.2rem;
}

/* History */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-entry {
    padding: 0.6rem 0.8rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    border-left: 3px solid var(--border);
    cursor: pointer;
    transition: border-color 0.15s;
}

.history-entry:hover {
    border-left-color: var(--accent);
}

.history-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
}

.history-result {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text);
}

.history-breakdown {
    font-size: 0.7rem;
    color: var(--muted);
    margin-top: 2px;
    word-break: break-all;
}

/* Shake animation for roll button */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-3px) rotate(-1deg); }
    40% { transform: translateX(3px) rotate(1deg); }
    60% { transform: translateX(-2px) rotate(-0.5deg); }
    80% { transform: translateX(2px) rotate(0.5deg); }
}

.btn-roll.shaking {
    animation: shake 0.4s ease-in-out;
}

/* Responsive */
@media (max-width: 768px) {
    .roller-layout {
        flex-direction: column;
    }

    .history-panel {
        width: 100%;
        position: static;
        max-height: none;
    }

    .dice-btn {
        width: 60px;
        height: 60px;
        font-size: 1rem;
    }

    .container {
        padding: 1.5rem 1rem 2rem;
    }

    .custom-input-row {
        flex-wrap: wrap;
    }
}