/* UI Components - Cards, Buttons, Tabs */

/* Cards */
.card {
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: calc(var(--space-unit) * 3);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    border-color: var(--clr-accent-dim);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-unit) calc(var(--space-unit) * 2);
    border-radius: var(--radius);
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-accent);
    color: var(--clr-btn-text-on-accent);
}

.btn-primary:hover {
    background-color: var(--clr-accent-dim);
    transform: translateY(-2px);
}

/* Navigation Tabs */
.main-nav {
    display: flex;
    gap: var(--space-unit);
}

.nav-tab {
    background: none;
    border: none;
    color: var(--clr-text-dim);
    font-weight: 600;
    font-size: 1rem;
    padding: var(--space-unit) calc(var(--space-unit) * 2);
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
}

.nav-tab:hover {
    color: var(--clr-text);
}

.nav-tab.active {
    color: var(--clr-accent);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 20%;
    width: 60%;
    height: 3px;
    background-color: var(--clr-accent);
    border-radius: 4px;
}

/* Stat Display Items */
.user-stats {
    display: flex;
    gap: calc(var(--space-unit) * 2);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    font-size: 1rem;
}

#gold-display .value {
    color: var(--clr-gold);
}

#essence-display .value {
    color: var(--clr-essence);
}

/* Placeholders & Helpers */
.placeholder-msg {
    text-align: center;
    color: var(--clr-text-dim);
    padding: calc(var(--space-unit) * 4) 0;
    font-style: italic;
    border: 2px dashed var(--clr-border);
    border-radius: var(--radius);
}

.status-bar {
    display: flex;
    gap: calc(var(--space-unit) * 3);
}

/* Container Specifics */
.dungeon-viz {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(var(--space-unit) * 3);
}

.combat-log {
    max-height: 200px;
    overflow-y: auto;
}

/* Currency tier display */
.currency-tier {
    font-weight: bold;
    margin: 0 2px;
}

.currency-tier .coin {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-left: 2px;
    vertical-align: middle;
    box-shadow: 0 0 3px var(--clr-white-muted);
}