body {
    margin: 0;
    font-family: 'Inter',sans-serif;
    background: linear-gradient(140deg,#000000,#0b0b0b,#111111);
    color: #ffffff;
    overflow-x: hidden;
}

/* FLOATING GLOW */

.bg-glow {
    position: fixed;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle,#FDBC01 0%,transparent 70%);
    opacity: 0.08;
    top: -200px;
    left: -200px;
    filter: blur(120px);
    animation: moveGlow 18s infinite alternate;
    pointer-events: none;
}

@keyframes moveGlow {
    0% {
        transform: translate(0,0)
    }

    100% {
        transform: translate(400px,200px)
    }
}

/* CONTAINER */

.container {
    max-width: 1200px;
    margin: auto;
    padding: 80px 20px;
}

/* TITLE */

h1 {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    color: #bdbdbd;
    margin-bottom: 70px;
}

/* MONTH */

.month-section {
    margin-bottom: 70px;
}

.month-title {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 25px;
    padding-left: 14px;
    border-left: 4px solid #FDBC01;
}

/* GRID */

.batch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
    gap: 28px;
}

/* CARD */

.batch-card {
    background: linear-gradient(145deg,#0f0f0f,#1a1a1a);
    border-radius: 18px;
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    transition: 0.35s;
}

    .batch-card:hover {
        transform: translateY(-6px);
        border-color: #FDBC01;
        box-shadow: 0 20px 45px rgba(0,0,0,0.6),0 0 20px rgba(253,188,1,0.15);
    }

/* BATCH NUMBER */

.batch-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 12px;
    color: #aaa;
}

/* DATE */

.batch-date {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 6px;
}

.batch-week {
    color: #9a9a9a;
    font-size: 13px;
    margin-bottom: 15px;
}

/* TIME BADGE */

.time {
    display: inline-block;
    background: #1f1f1f;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

/* SEATS */

.seat-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 8px;
    color: #d5d5d5;
}

    .seat-row span:last-child {
        color: #FDBC01;
        font-weight: 600;
        text-shadow: 0 0 8px rgba(253,188,1,0.4);
    }

/* PROGRESS */

.progress {
    height: 8px;
    background: #1f1f1f;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 6px;
    animation: fill 1.2s forwards;
    box-shadow: 0 0 12px rgba(255,255,255,0.15);
}

@keyframes fill {
    to {
        width: var(--width);
    }
}

/* WARNING */

.warning {
    font-size: 12px;
    color: #ffd84d;
    margin-bottom: 15px;
    animation: pulseSeat 1.8s infinite;
}

@keyframes pulseSeat {
    0% {
        opacity: 0.6
    }

    50% {
        opacity: 1
    }

    100% {
        opacity: 0.6
    }
}

/* BUTTON */

.btn {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg,#FDBC01,#f59e0b);
    color: #000;
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
}

    .btn:hover {
        background: linear-gradient(135deg,#ffd84d,#FDBC01);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(253,188,1,0.35);
    }

.btn-full {
    background: #2c2c2c;
    color: #777;
    cursor: not-allowed;
}

/* MODAL */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: fadeIn 0.3s ease;
}

.modal-box {
    background: #0f0f0f;
    padding: 30px;
    border-radius: 16px;
    width: 420px;
    border: 1px solid rgba(255,255,255,0.08);
    animation: modalSlide 0.35s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@keyframes modalSlide {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

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

.close {
    float: right;
    cursor: pointer;
    font-size: 22px;
    color: #aaa;
}

/* INPUT */

input {
    width: 100%;
    padding: 11px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    background: #141414;
    color: #fff;
}

    input:focus {
        outline: none;
        border-color: #FDBC01;
    }

.ls-gradient {
    background: linear-gradient(90deg,#00b4ff,#ffae00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

textarea {
    width: 100%;
    padding: 11px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    background: #141414;
    color: #fff;
    box-sizing: border-box;
    resize: vertical;
    min-height: 90px;
}

    textarea:focus {
        outline: none;
        border-color: #FDBC01;
    }

.course-selected {
    text-align: center;
    margin-bottom: 40px;
    font-size: 18px;
    color: #ddd;
}

.course-badge {
    display: inline-block;
    background: #FDBC01;
    color: #000;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    margin-left: 8px;
    font-weight: 600;
}