@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1 {
    font-size: 2.25rem;
    line-height: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 600;
}

p {
    font-size: 1rem;
    line-height: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-green {
    background-color: rgb(22, 163, 74);
    color: white;
}

.btn-green:hover {
    background-color: rgb(21, 128, 61);
}

.btn-red {
    background-color: rgb(220, 38, 38);
    color: white;
}

.btn-red:hover {
    background-color: rgb(185, 28, 28);
}

.btn-outline {
    background-color: white;
    color: rgb(17, 24, 39);
    border: 1px solid rgb(229, 231, 235);
}

.btn-outline:hover {
    background-color: rgb(249, 250, 251);
}

.input-field {
    width: 8rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgb(209, 213, 219);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    outline: none;
    transition: all 0.2s;
}

.input-field:focus {
    border-color: rgb(59, 130, 246);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.card {
    background-color: white;
    border-radius: 0.5rem;
    border: 1px solid rgb(229, 231, 235);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.alert {
    padding: 1rem;
    border-radius: 0.375rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    border: 1px solid;
}

.alert-success {
    background-color: rgb(240, 253, 244);
    border-color: rgb(187, 247, 208);
    color: rgb(22, 101, 52);
}

.alert-error {
    background-color: rgb(254, 242, 242);
    border-color: rgb(254, 202, 202);
    color: rgb(153, 27, 27);
}

.alert-info {
    background-color: rgb(239, 246, 255);
    border-color: rgb(191, 219, 254);
    color: rgb(30, 58, 138);
}

.queue-cell {
    width: 5rem;
    height: 5rem;
    border: 2px solid;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
}

.queue-cell.empty {
    background-color: rgb(249, 250, 251);
    border-color: rgb(209, 213, 219);
    color: rgb(156, 163, 175);
}

.queue-cell.filled {
    background-color: rgb(219, 234, 254);
    border-color: rgb(96, 165, 250);
    color: rgb(30, 58, 138);
}

.queue-cell.front-pointer {
    box-shadow: 0 0 0 4px rgb(59, 130, 246);
}

.queue-cell.rear-pointer {
    box-shadow: 0 0 0 4px rgb(99, 102, 241);
}

.pointer {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: bounce 1.5s ease-in-out infinite;
}

.pointer-top {
    top: -3rem;
    left: 50%;
    transform: translateX(-50%);
}

.pointer-bottom {
    bottom: -4rem;
    left: 50%;
    transform: translateX(-50%);
}

.pointer-label {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    color: white;
    white-space: nowrap;
}

.pointer-label.front {
    background-color: rgb(37, 99, 235);
}

.pointer-label.rear {
    background-color: rgb(79, 70, 229);
}

.pointer-label.next {
    background-color: rgb(22, 163, 74);
}

.arrow {
    font-size: 1.5rem;
    line-height: 1;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(5px);
    }
}

@keyframes bounceUp {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.pointer-bottom .arrow {
    animation: bounceUp 1.5s ease-in-out infinite;
}

@keyframes slideLeft {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

@keyframes slideRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-10px);
    }
}

.side-arrow-left {
    animation: slideLeft 2s ease-in-out infinite;
}

.side-arrow-right {
    animation: slideRight 2s ease-in-out infinite;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0) rotate(-180deg);
    }
    to {
        transform: scale(1) rotate(0);
    }
}

.scale-in {
    animation: scaleIn 0.4s ease-out;
}

.hidden {
    display: none !important;
}