:root {
    --bg-gradient: #000000;
    --card-bg: rgba(255, 255, 255, 0.05);
    /* Slightly lighter for visibility on black */
    --card-border: rgba(255, 255, 255, 0.15);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --primary-color: #FFFFFF;
    /* White for accents (Button/Input Border) */
    --primary-hover: #E0E0E0;
    /* Light Grey hover */
    --danger-color: #FF0055;
    --success-color: #00FF99;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    touch-action: manipulation;
}

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    padding: 20px;
    overflow-y: auto;
}

#app {
    width: 100%;
    max-width: 800px;
    /* Increased max-width for grid */
    margin: 0 auto;
    padding-top: 40px;
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 6rem;
    font-weight: 400;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 5px;
    transform: none;
    text-align: center;
    width: 100%;

    /* Solid White */
    background: none;
    color: #FFFFFF;
    -webkit-text-fill-color: #FFFFFF;

    /* Cleaner shadow */
    filter: drop-shadow(0px 4px 10px rgba(0, 0, 0, 0.5));
}

/* Removed previous glitch/rubik styles */
/* Add User Section */
.add-user-card {
    width: 100%;
    max-width: 500px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.input-group.row {
    display: flex;
    flex-direction: row;
    gap: 10px;
}

input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    padding: 14px 20px;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s ease;
}

input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 4px rgba(76, 201, 240, 0.1);
}

.btn {
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    border-radius: 12px;
}

.btn.primary {
    background: var(--primary-color);
    color: #1a1a2e;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 24px;
}

.btn.primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 201, 240, 0.3);
}

/* Counters Grid */
.counters-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.user-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: slideIn 0.4s ease-out forwards;
    position: relative;
    overflow: hidden;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-card:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    background: rgba(247, 37, 133, 0.2);
    color: var(--danger-color);
    transform: scale(1.1);
}

.delete-btn svg {
    width: 18px;
    height: 18px;
}

.user-name {
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--text-main);
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.counter-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.count-value {
    font-size: 2.5rem;
    font-weight: 800;
    min-width: 60px;
    font-variant-numeric: tabular-nums;
    color: var(--text-main);
}

.icon-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

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

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.icon-btn[data-action="decrement"]:hover {
    color: var(--danger-color);
    background: rgba(247, 37, 133, 0.15);
}

.icon-btn[data-action="increment"]:hover {
    color: var(--success-color);
    background: rgba(76, 201, 240, 0.15);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
    font-style: italic;
}

footer {
    text-align: center;
    padding: 30px;
    color: white;
}