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

:root {
    --primary-color: #0B2E59; /* Navy Blue */
    --secondary-color: #00F0FF; /* Cyan */
    --text-color: #FFFFFF; /* White */
    --bg-gradient: linear-gradient(135deg, #0B2E59, #051A36);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    overflow-x: hidden;
}

/* Global Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-gradient);
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(0, 240, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--secondary-color);
    animation: spin 1s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Anti-Cheating */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Header */
header {
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(11, 46, 89, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

header h1 {
    font-weight: 700;
    margin: 0;
    font-size: 1.8rem;
    color: var(--secondary-color);
}

header p {
    margin: 5px 0 0;
    font-weight: 300;
    letter-spacing: 1px;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    margin-top: 2rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 15px 45px 0 rgba(0, 240, 255, 0.2);
}

/* Form Inputs */
.glass-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
    color: var(--text-color);
    transform: translateY(-2px);
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.glass-input option {
    background: var(--primary-color);
    color: var(--text-color);
}

/* Gradient Buttons */
.btn-custom {
    background: linear-gradient(45deg, #00F0FF, #0088ff);
    color: var(--primary-color);
    font-weight: 600;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.btn-custom:hover {
    background: linear-gradient(45deg, #ffffff, #00F0FF);
    color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.6);
    transform: translateY(-3px);
}

.btn-outline-custom {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    font-weight: 600;
    border-radius: 8px;
    padding: 10px 24px;
    transition: all 0.4s ease;
}

.btn-outline-custom:hover, .btn-outline-custom.selected {
    background: linear-gradient(45deg, #00F0FF, #0088ff);
    color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.5);
    transform: translateY(-3px);
}

/* Main Content Area */
main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* Options */
.option-btn {
    display: block;
    width: 100%;
    text-align: left;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.option-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.option-btn.selected {
    background: linear-gradient(45deg, #00F0FF, #0088ff);
    color: var(--primary-color);
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

/* Timer */
#timer-display {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem 0;
    background: rgba(11, 46, 89, 0.5);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
}

/* Utilities */
.text-cyan {
    color: var(--secondary-color) !important;
}

.mt-custom {
    margin-top: 2rem;
}

/* Custom Modal Animations */
.zoom-bounce-anim {
    animation: zoomBounce 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes zoomBounce {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

.shake-anim {
    animation: shake 0.6s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-2px, 0, 0); }
    20%, 80% { transform: translate3d(4px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
    40%, 60% { transform: translate3d(6px, 0, 0); }
}