:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --background-color: #F9FAFB;
    --card-bg: #FFFFFF;
    --text-color: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --container-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --header-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --primary-gradient: linear-gradient(45deg, #4F46E5, #6366F1);
    --card-border-radius: 16px;
}

[data-theme="dark"] {
    --primary-color: #6366F1;
    --primary-hover: #4F46E5;
    --background-color: #111827;
    --card-bg: #1F2937;
    --text-color: #F9FAFB;
    --text-secondary: #D1D5DB;
    --border-color: #374151;
    --container-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --header-shadow: 0 4px 6px rgba(0, 0, 0, 0.25);
    --primary-gradient: linear-gradient(45deg, #6366F1, #8B5CF6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 100px auto 50px;
    padding: 0 20px;
}

/* Enhanced Card Design */
.card {
    background-color: var(--card-bg);
    border-radius: var(--card-border-radius);
    padding: 30px;
    box-shadow: var(--container-shadow);
    margin-bottom: 30px;
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(var(--primary-rgb, 79, 70, 229), 0.1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    z-index: 1;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--card-bg);
    box-shadow: var(--header-shadow);
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-color);
}

.logo img {
    height: 40px;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.logo-txt {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.theme-toggle i {
    transition: transform 0.5s ease;
}

.theme-toggle:hover i {
    transform: rotate(360deg);
}

h2,
h3 {
    margin-bottom: 24px;
    font-weight: 600;
    position: relative;
}

h2 {
    font-size: 32px;
    text-align: center;
}

h2 span {
    color: var(--primary-color);
}

h2:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
    margin: 12px auto 0;
}

h3 {
    font-size: 24px;
    margin-top: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

h3 i {
    color: var(--primary-color);
}

/* Enhanced Instruction Items */
.instructions {
    list-style-type: none;
    padding: 0;
}

.instructions li {
    margin-bottom: 16px;
    padding: 18px;
    border-radius: 12px;
    background-color: rgba(var(--primary-rgb, 79, 70, 229), 0.05);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.instructions li:hover {
    transform: translateX(5px);
    background-color: rgba(var(--primary-rgb, 79, 70, 229), 0.08);
}

.instructions h4 {
    font-size: 17px;
    font-weight: 500;
    margin: 0;
    display: flex;
    align-items: center;
}

.instructions h4 i {
    margin-right: 10px;
    color: var(--success-color);
    font-size: 18px;
}

.instructions h4.warning {
    color: var(--warning-color);
}

.instructions h4.danger {
    color: var(--danger-color);
}

.instructions h4.danger i {
    color: var(--danger-color);
}

.btn-container {
    text-align: center;
    margin: 40px 0 20px;
}

/* Enhanced Button */
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-size: 18px;
    font-weight: 600;
    padding: 16px 42px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(var(--primary-rgb, 79, 70, 229), 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary i {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 14px rgba(var(--primary-rgb, 79, 70, 229), 0.4);
}

.btn-primary:hover i {
    transform: translateY(-3px);
}

.btn-primary:active {
    transform: translateY(1px);
}

.pulse-animation {
    position: relative;
}

.pulse-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50px;
    box-shadow: 0 0 0 0 rgba(var(--primary-rgb, 79, 70, 229), 0.7);
    animation: pulse-ring 2s infinite;
    z-index: -1;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.9);
        opacity: 0.9;
    }

    70% {
        transform: scale(1.1);
        opacity: 0.3;
    }

    100% {
        transform: scale(0.9);
        opacity: 0.9;
    }
}

.faq-section {
    margin-top: 40px;
}

/* Enhanced FAQ Section */
.faq-item {
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--card-bg);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
    border-color: rgba(var(--primary-rgb, 79, 70, 229), 0.3);
}

.faq-question {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(var(--primary-rgb, 79, 70, 229), 0.05);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0, 1, 0, 1);
}

.faq-answer.active {
    padding: 16px 20px;
    max-height: 1000px;
    transition: all 0.5s cubic-bezier(1, 0, 1, 0);
    border-top: 1px solid var(--border-color);
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
}

/* Animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.animated {
    animation: fadeInUp 0.6s ease forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(var(--primary-rgb, 79, 70, 229), 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(var(--primary-rgb, 79, 70, 229), 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(var(--primary-rgb, 79, 70, 229), 0);
    }
}

/* Loading indicator */
.loading-indicator {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    padding: 10px 15px;
    background-color: rgba(var(--primary-rgb, 79, 70, 229), 0.1);
    border-radius: 8px;
    color: var(--primary-color);
    font-weight: 500;
}

.loading-indicator i {
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        margin-top: 80px;
        padding: 0 15px;
    }

    .card {
        padding: 20px;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 20px;
    }

    .btn-primary {
        padding: 12px 30px;
        font-size: 16px;
    }

    .instructions h4 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 15px;
    }

    .logo-txt {
        font-size: 18px;
    }

    .theme-toggle {
        padding: 6px 10px;
        font-size: 14px;
    }

    h2 {
        font-size: 22px;
    }

    .instructions h4 {
        font-size: 14px;
    }
}

/* Dark mode icon transition */
.icon-container {
    width: 24px;
    height: 24px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-container i {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.5s ease;
}

[data-theme="dark"] .icon-container .fa-moon {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="dark"] .icon-container .fa-sun {
    opacity: 0;
    transform: rotate(180deg);
}

.icon-container .fa-moon {
    opacity: 0;
    transform: rotate(-180deg);
}

.icon-container .fa-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.intro-text {
    font-size: 18px;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-secondary);
    padding: 0 20px;
    line-height: 1.6;
}