/* Neumorphism Design System */

:root {
    /* Neumorphic color palette */
    --neuro-bg: #e0e5ec;
    --neuro-shadow-light: #ffffff;
    --neuro-shadow-dark: #a3b1c6;
    --neuro-text-primary: #2c3e50;
    --neuro-text-secondary: #5a6c7d;
    --neuro-accent: #4a90e2;
    --neuro-accent-hover: #357abd;

    /* Shadow configurations */
    --neuro-shadow-sm: 4px 4px 8px var(--neuro-shadow-dark),
        -4px -4px 8px var(--neuro-shadow-light);
    --neuro-shadow-md: 8px 8px 16px var(--neuro-shadow-dark),
        -8px -8px 16px var(--neuro-shadow-light);
    --neuro-shadow-lg: 12px 12px 24px var(--neuro-shadow-dark),
        -12px -12px 24px var(--neuro-shadow-light);
    --neuro-shadow-inset: inset 4px 4px 8px var(--neuro-shadow-dark),
        inset -4px -4px 8px var(--neuro-shadow-light);
    --neuro-shadow-inset-md: inset 6px 6px 12px var(--neuro-shadow-dark),
        inset -6px -6px 12px var(--neuro-shadow-light);

    /* Border radius */
    --neuro-radius-sm: 10px;
    --neuro-radius-md: 15px;
    --neuro-radius-lg: 20px;
    --neuro-radius-xl: 25px;
}

/* Body background for neumorphism */
body.neuro-body {
    background: var(--neuro-bg);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(163, 177, 198, 0.1) 0%, transparent 50%);
}

/* Neumorphic container */
.neuro-container {
    background: var(--neuro-bg);
    border-radius: var(--neuro-radius-lg);
    box-shadow: var(--neuro-shadow-md);
    transition: all 0.3s ease;
}

/* Neumorphic cards */
.neuro-card {
    background: var(--neuro-bg);
    border-radius: var(--neuro-radius-md);
    padding: 1.5rem;
    box-shadow: var(--neuro-shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.neuro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neuro-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.neuro-card:hover {
    transform: translateY(-3px);
    box-shadow:
        10px 10px 20px var(--neuro-shadow-dark),
        -10px -10px 20px var(--neuro-shadow-light);
}

.neuro-card:hover::before {
    opacity: 1;
}

.neuro-card h2 {
    color: var(--neuro-text-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.neuro-card p,
.neuro-card .pdf-frame {
    color: var(--neuro-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Neumorphic buttons */
.neuro-btn {
    background: var(--neuro-bg);
    border: none;
    border-radius: var(--neuro-radius-sm);
    padding: 0.75rem 1.5rem;
    color: var(--neuro-text-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--neuro-shadow-sm);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.neuro-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(74, 144, 226, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.neuro-btn:hover::before {
    width: 300px;
    height: 300px;
}

.neuro-btn:hover {
    color: var(--neuro-accent);
    box-shadow:
        6px 6px 12px var(--neuro-shadow-dark),
        -6px -6px 12px var(--neuro-shadow-light);
}

.neuro-btn:active {
    box-shadow: var(--neuro-shadow-inset);
    transform: scale(0.98);
}

.neuro-btn span {
    position: relative;
    z-index: 1;
}

/* Neumorphic button primary variant */
.neuro-btn-primary {
    background: linear-gradient(145deg, #4a90e2, #357abd);
    color: white;
    box-shadow:
        6px 6px 12px rgba(53, 122, 189, 0.4),
        -6px -6px 12px rgba(74, 144, 226, 0.4);
}

.neuro-btn-primary:hover {
    background: linear-gradient(145deg, #357abd, #2868a8);
    box-shadow:
        8px 8px 16px rgba(53, 122, 189, 0.5),
        -8px -8px 16px rgba(74, 144, 226, 0.5);
}

.neuro-btn-primary:active {
    box-shadow:
        inset 4px 4px 8px rgba(53, 122, 189, 0.6),
        inset -4px -4px 8px rgba(74, 144, 226, 0.3);
}

/* Neumorphic links */
.neuro-link {
    color: var(--neuro-accent);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

.neuro-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neuro-accent);
    transition: width 0.3s ease;
}

.neuro-link:hover {
    color: var(--neuro-accent-hover);
}

.neuro-link:hover::after {
    width: 100%;
}

/* Neumorphic modal */
.neuro-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.neuro-modal-content {
    background: var(--neuro-bg);
    padding: 2.5rem;
    border-radius: var(--neuro-radius-xl);
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow:
        20px 20px 40px var(--neuro-shadow-dark),
        -20px -20px 40px var(--neuro-shadow-light);
    text-align: center;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

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

.neuro-modal-content h2 {
    color: var(--neuro-text-primary);
    margin-bottom: 1rem;
    font-size: 1.75rem;
    font-weight: 700;
}

.neuro-modal-content p {
    color: var(--neuro-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Neumorphic input fields */
.neuro-input {
    background: var(--neuro-bg);
    border: none;
    border-radius: var(--neuro-radius-sm);
    padding: 0.75rem 1rem;
    color: var(--neuro-text-primary);
    font-size: 1rem;
    box-shadow: var(--neuro-shadow-inset);
    transition: all 0.3s ease;
    width: 100%;
}

.neuro-input:focus {
    outline: none;
    box-shadow:
        inset 6px 6px 12px var(--neuro-shadow-dark),
        inset -6px -6px 12px var(--neuro-shadow-light),
        0 0 0 2px var(--neuro-accent);
}

.neuro-input::placeholder {
    color: var(--neuro-text-secondary);
    opacity: 0.6;
}

/* Countdown timer styling */
.neuro-countdown {
    display: inline-block;
    background: var(--neuro-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--neuro-radius-sm);
    box-shadow: var(--neuro-shadow-inset-md);
    color: var(--neuro-accent);
    font-weight: 600;
    font-family: 'Courier New', monospace;
    margin-top: 0.5rem;
}

/* Login message neumorphic styling */
.neuro-login-message {
    background: var(--neuro-bg);
    padding: 3rem 2rem;
    margin: 2rem auto;
    max-width: 600px;
    border-radius: var(--neuro-radius-xl);
    box-shadow: var(--neuro-shadow-lg);
    text-align: center;
}

.neuro-login-message h2 {
    color: var(--neuro-text-primary);
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 700;
}

.neuro-login-message p {
    color: var(--neuro-text-secondary);
    line-height: 1.8;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

/* Pressed state for interactive elements */
.neuro-pressed {
    box-shadow: var(--neuro-shadow-inset) !important;
    transform: scale(0.98);
}

/* Bento grid neumorphic override */
.bento-grid.neuro-grid {
    background: transparent;
    padding: 2rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .neuro-card {
        padding: 1.25rem;
    }

    .neuro-modal-content {
        padding: 2rem;
        max-width: 95%;
    }

    .neuro-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .neuro-card {
        padding: 1rem;
    }

    .neuro-card h2 {
        font-size: 1.1rem;
    }

    .neuro-modal-content {
        padding: 1.5rem;
    }

    .neuro-login-message {
        padding: 2rem 1.5rem;
    }

    .neuro-login-message h2 {
        font-size: 1.5rem;
    }
}

/* Smooth scrollbar for neumorphic design */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--neuro-bg);
    border-radius: var(--neuro-radius-sm);
    box-shadow: var(--neuro-shadow-inset);
}

::-webkit-scrollbar-thumb {
    background: var(--neuro-bg);
    border-radius: var(--neuro-radius-sm);
    box-shadow: var(--neuro-shadow-sm);
}

::-webkit-scrollbar-thumb:hover {
    box-shadow: var(--neuro-shadow-md);
}