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

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #0b0c10; /* Pure Ultra Dark Black */
    color: #c5c6c7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* SLEEK CONTRAST HEADER */
header {
    background-color: #1f2833; /* Dark Charcoal */
    padding: 16px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #45f3ff; /* Electric Cyan Accent */
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

header h1 {
    color: #45f3ff;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.menu-btn {
    font-size: 30px;
    background: none;
    border: none;
    color: #45f3ff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-btn:hover {
    color: #66fcf1;
    transform: rotate(90deg);
}

/* DYNAMIC 2K BANNER (DEEP BLACK STRIP WITH WARNING ORANGE) */
.ad-notification-banner {
    display: none;
    background-color: #000000;
    color: #ffa502;
    border-bottom: 2px solid #ffa502;
    padding: 12px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    position: relative;
    z-index: 95;
    animation: slideDown 0.3s ease-out;
}

.container {
    display: flex;
    gap: 30px;
    padding: 30px;
    max-width: 1450px;
    margin: auto;
}

.main { flex: 3; min-width: 0; }
.sidebar { flex: 1; }

/* CLEAN SOLID DARK BOXES */
.box {
    background-color: #1f2833; /* Dark Charcoal Slate */
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #2f3e46;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.box h2 {
    text-align: center;
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.box p.sub {
    text-align: center;
    color: #a8a9ad;
    margin-bottom: 30px;
    font-size: 15px;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.option {
    background-color: #151a21; /* Deep Matte Black Box */
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #2f3e46;
    transition: all 0.2s ease;
}

.option:hover {
    border-color: #45f3ff;
    transform: translateY(-2px);
}

.option h4 {
    color: #45f3ff;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

.option label {
    display: block;
    margin: 14px 0;
    font-size: 14px;
    color: #c5c6c7;
    cursor: pointer;
}
.option label:hover { color: #ffffff; }

input[type=checkbox] {
    accent-color: #45f3ff;
    transform: scale(1.2);
    margin-right: 12px;
    vertical-align: middle;
}

select {
    background-color: #1f2833;
    color: #45f3ff;
    border: 1px solid #2f3e46;
    padding: 12px;
    border-radius: 8px;
    width: 100%;
    font-size: 14px;
    margin-top: 6px;
    outline: none;
    cursor: pointer;
}
select:focus {
    border-color: #45f3ff;
}

/* --- MODERN NEON GLOW BUTTON SYSTEM --- */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin: 30px 0;
}

/* Base style for all buttons */
.btn, .sticky-btn {
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* 🔴 START BUTTONS (Electric Cyan Outline & Glow) */
.btn#startBtn, .sticky-btn.start {
    background: rgba(69, 243, 255, 0.08);
    color: #45f3ff;
    border: 1px solid #45f3ff;
    box-shadow: 0 0 15px rgba(69, 243, 255, 0.1);
}
.btn#startBtn:hover:not(:disabled), .sticky-btn.start:hover:not(:disabled) {
    background: #45f3ff;
    color: #0b0c10;
    box-shadow: 0 0 25px rgba(69, 243, 255, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* ⏸️ PAUSE BUTTONS (Cyber Orange) */
.btn.pause, .sticky-btn.pause {
    background: rgba(255, 165, 2, 0.08);
    color: #ffa502;
    border: 1px solid #ffa502;
    box-shadow: 0 0 15px rgba(255, 165, 2, 0.1);
}
.btn.pause:hover:not(:disabled), .sticky-btn.pause:hover:not(:disabled) {
    background: #ffa502;
    color: #0b0c10;
    box-shadow: 0 0 25px rgba(255, 165, 2, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* ⏹️ STOP BUTTONS (Crimson Red) */
.btn.stop, .sticky-btn.stop {
    background: rgba(255, 71, 87, 0.08);
    color: #ff4757;
    border: 1px solid #ff4757;
    box-shadow: 0 0 15px rgba(255, 71, 87, 0.1);
}
.btn.stop:hover:not(:disabled), .sticky-btn.stop:hover:not(:disabled) {
    background: #ff4757;
    color: #ffffff;
    box-shadow: 0 0 25px rgba(255, 71, 87, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* 📥 DOWNLOAD BUTTON (Emerald Green) */
.btn.download {
    background: rgba(46, 213, 115, 0.08);
    color: #2ed573;
    border: 1px solid #2ed573;
    box-shadow: 0 0 15px rgba(46, 213, 115, 0.1);
}
.btn.download:hover:not(:disabled) {
    background: #2ed573;
    color: #ffffff;
    box-shadow: 0 0 25px rgba(46, 213, 115, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* ⬇️ INSTALL BUTTON (Royal Blue) */
.btn.install {
    background: rgba(30, 144, 255, 0.08);
    color: #1e90ff;
    border: 1px solid #1e90ff;
}
.btn.install:hover:not(:disabled) {
    background: #1e90ff;
    color: #ffffff;
    box-shadow: 0 0 25px rgba(30, 144, 255, 0.4);
    transform: translateY(-3px) scale(1.02);
}

/* Active Press Effect */
.btn:active:not(:disabled), .sticky-btn:active:not(:disabled) {
    transform: translateY(-1px) scale(0.98);
}

/* Glassmorphism Disabled State */
.btn:disabled, .sticky-btn:disabled {
    background: rgba(255, 255, 255, 0.02) !important;
    color: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: none !important;
    cursor: not-allowed;
    transform: none !important;
    opacity: 0.3;
}

/* SOLID CONTEXT EMBEDDED PREVIEW */
video {
    width: 100%;
    border-radius: 12px;
    border: 2px solid #2f3e46;
    margin: 25px 0;
    background-color: #000000;
}

/* CYAN TIMER */
.timer {
    font-size: 46px;
    text-align: center;
    color: #45f3ff;
    font-weight: 700;
    margin: 20px;
    letter-spacing: 1px;
}

.status {
    text-align: center;
    font-size: 14px;
    color: #66fcf1;
    margin: 12px;
    font-weight: 500;
}

.ad-box {
    background-color: #151a21;
    padding: 20px;
    border-radius: 12px;
    border: 1px dashed #2f3e46;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CLEAN SIDE BAR */
.side-bar {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1001;
    top: 0;
    right: 0;
    background-color: #151a21;
    overflow-x: hidden;
    transition: 0.3s ease;
    padding-top: 70px;
    border-left: 2px solid #45f3ff;
}

.side-bar a {
    padding: 16px 32px;
    text-decoration: none;
    font-size: 16px;
    color: #c5c6c7;
    display: block;
    cursor: pointer;
}

.side-bar a:hover {
    color: #45f3ff;
    background-color: #1f2833;
}

.side-bar .closebtn {
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 36px;
    color: #ff4757;
}

.side-bar h3 {
    padding: 15px 32px;
    color: #ffffff;
}

/* FOOTER */
footer {
    background-color: #151a21;
    padding: 30px;
    text-align: center;
    margin-top: 50px;
    border-top: 1px solid #2f3e46;
}

footer a {
    color: #45f3ff;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 600;
}
footer a:hover { text-decoration: underline; }

/* MODALS */
.modal {
    display: none;
    position: fixed;
    z-index: 1002;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: #1f2833;
    margin: 12% auto;
    padding: 40px;
    border: 1px solid #45f3ff;
    width: 85%;
    max-width: 650px;
    border-radius: 12px;
}

.close {
    color: #ff4757;
    float: right;
    font-size: 30px;
    cursor: pointer;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- PERFECT RESPONSIVE PC & MOBILE FIXED VIEW --- */

/* By default PC/Desktop par top floating control bar gayeeb rahegi */
.mobile-sticky-bar {
    display: none !important;
}

/* 📱 MOBILE VIEW (For Screen Size 950px or smaller) */
@media (max-width: 950px) {
    body {
        background-color: #0b0c10;
        padding-top: 70px; /* Space for the top bar so content doesn't overlap */
    }

    /* Floating control bar fixed like a glass app header on mobile */
    .mobile-sticky-bar {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: rgba(21, 26, 33, 0.9);
        backdrop-filter: blur(10px);
        border-bottom: 2px solid rgba(69, 243, 255, 0.3);
        padding: 12px 6px;
        justify-content: space-evenly;
        align-items: center;
        z-index: 9999;
        box-shadow: 0 4px 15px rgba(0,0,0,0.6);
    }

    /* Premium Pill-shaped sleek mobile buttons */
    .sticky-btn {
        flex: 1;
        margin: 0 6px;
        padding: 10px 0;
        font-size: 12px;
        border-radius: 25px; /* Perfect pill style */
        text-align: center;
    }

    /* Hide PC headers and double buttons on mobile layout */
    header, .box .btn-group {
        display: none !important;
    }

    /* Compress elements grid for mobile screen bounds */
    .container {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }

    .box {
        padding: 24px 16px;
        border-radius: 12px;
    }

    .box h2 {
        font-size: 22px;
    }

    .controls {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .option {
        padding: 18px;
    }

    .timer {
        font-size: 36px;
        margin: 10px 0;
    }
}