:root {
    --bg-primary: #011627;
    --bg-secondary: #3C1642;
    --bg-accent: #58355E;
    --text-primary: #e8d5e0;
    --text-secondary: #c4a5b8;
    --dark-pink: #F4154D;
    --dark-pink-light: #FA0F71;
    --dark-rose: #FF1F84;
    --border-color: rgba(139, 74, 122, 0.2);
    --border-hover: rgba(139, 74, 122, 0.4);
    --shadow-color: rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Gradient text animation for title */
.gradient-text {
    background: linear-gradient(45deg, #F4154D, #FA0F71, #e8d5e0, #FA0F71, #F4154D);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient 6s ease infinite;
}

@keyframes gradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.back-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: var(--dark-pink);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    opacity: 0.7;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-button:hover {
    opacity: 1;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
}

.back-button::before {
    content: '\2190';
}

.back-button .tooltip {
    visibility: hidden;
    width: 120px;
    background-color: var(--bg-accent);
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.back-button:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

.hero-section {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(139, 74, 122, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

#sj-form {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
}

#sj-form .tooltip {
    visibility: hidden;
    width: 200px;
    background-color: var(--bg-accent);
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

#sj-form:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

#sj-form .fa-search {
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin-right: 15px;
}

#sj-address {
    background: var(--bg-accent);
    font-family: inherit;
    padding: 0px 25px;
    height: 60px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 50px;
    outline: none;
    width: 100%;
    max-width: 700px;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

#sj-address:focus {
    border-color: var(--dark-pink);
    box-shadow: 0 0 10px var(--dark-pink-light);
}

#sj-form button {
    background-color: var(--dark-pink);
    color: var(--text-primary);
    border: none;
    padding: 0 40px;
    height: 60px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: 15px;
    transition: background-color 0.3s ease;
}

#sj-form button:hover {
    background-color: var(--dark-pink-light);
}

#sj-error {
    color: #ff6666 !important;
    white-space: pre-wrap;
    margin-top: 20px;
    font-size: 1.2rem;
    text-align: center;
}

#sj-error-code {
    font-size: 1rem;
    color: var(--text-secondary);
    font-family: "Courier New", Courier, monospace;
    background: var(--bg-accent);
    padding: 20px;
    border-radius: 6px;
    margin-top: 20px;
    white-space: pre-wrap;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

#sj-frame {
    border: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: transparent;
    background: white;
    z-index: 9999;
}

body.iframe-active {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

body.iframe-active .hero-section,
body.iframe-active .container,
body.iframe-active footer,
body.iframe-active .back-button {
    display: none;
}

.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    display: none;
    width: 60px;
    height: 60px;
}

.loading-spinner.active {
    display: block;
}

.loading-spinner::after {
    content: '';
    display: block;
    width: 60px;
    height: 60px;
    border: 6px solid rgba(139, 74, 122, 0.2);
    border-top-color: var(--dark-pink);
    border-right-color: var(--dark-pink);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.error-page {
    background-color: #1a0f14;
    overflow: hidden;
}

.error-page .hero-section {
    padding: 20px;
}

.error-page h1 {
    font-size: 2rem;
}

.error-page .container p {
    font-size: 2rem;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px;
}

#sj-register-sw {
    position: relative;
    background-color: var(--dark-pink);
    color: var(--text-primary);
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    margin-top: 40px;
    transition: background-color 0.3s ease;
}

#sj-register-sw:hover {
    background-color: var(--dark-pink-light);
}

#sj-register-sw .tooltip {
    visibility: hidden;
    width: 200px;
    background-color: var(--bg-accent);
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

#sj-register-sw:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

.error-page::before {
    content: "404";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 30rem;
    font-weight: 900;
    color: rgba(139, 74, 122, 0.05);
    z-index: -1;
}

footer {
    background-color: var(--bg-accent);
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@keyframes theme-flow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.browser-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
    border-bottom: 2px solid var(--border-color);
    z-index: 10001;
    display: none;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px var(--shadow-color);
}

.browser-nav.active {
    display: block;
}

.browser-nav.hidden {
    transform: translateY(-100%);
}

.nav-controls {
    display: flex;
    align-items: center;
    padding: 10px;
    gap: 10px;
}

.nav-btn {
    background: var(--dark-rose);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
}

.nav-btn:hover {
    background: var(--dark-pink);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.nav-btn:active {
    transform: scale(0.95);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-btn:disabled:hover {
    background: var(--dark-rose);
    transform: none;
}

.nav-url-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 4px;
    border: 1px solid var(--border-color);
}

.nav-url-bar {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 14px;
    outline: none;
}

.nav-url-bar::placeholder {
    color: var(--text-secondary);
}

.nav-go {
    min-width: 35px;
    height: 35px;
    padding: 6px;
    margin-right: 2px;
}

.nav-toggle {
    margin-left: auto;
}

.nav-toggle.collapsed i {
    transform: rotate(180deg);
}

#sj-frame.with-nav {
    top: 60px;
    height: calc(100vh - 60px);
}

#sj-frame.with-nav.nav-hidden {
    top: 0;
    height: 100vh;
}

.show-nav-btn {
    position: fixed;
    top: 10px;
    right: 10px;
    background: var(--dark-pink);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    z-index: 10002;
    display: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    opacity: 0.9;
}

.show-nav-btn:hover {
    opacity: 0.3;
    transform: scale(0.95);
}

.show-nav-btn.active {
    display: block;
}

/* Quick access styling with hover effects */
.quick-btn:hover {
    background: linear-gradient(135deg, #FF1F84 0%, #F4154D 100%) !important;
    border-color: rgba(139, 74, 122, 0.5) !important;
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(139, 74, 122, 0.5) !important;
}

.quick-btn:hover i {
    color: #e8d5e0 !important;
}

.quick-btn:hover span {
    color: #e8d5e0 !important;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, #F4154D 0%, #FA0F71 100%) !important;
    border-color: #FA0F71 !important;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2) !important;
}

body.iframe-active .quick-access {
    display: none;
}

/* Dropdown menu styling */
.dropdown-menu.active {
    display: flex !important;
    justify-content: center;
}

.chromeos-warning {
    background: linear-gradient(135deg, #ff9f1c, #ffb038);
    border: 2px solid #e67e00;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(255, 159, 28, 0.3);
    color: #2c1810;
    font-weight: 500;
}

.warning-icon {
    font-size: 2rem;
    min-width: 40px;
}

.warning-content {
    flex: 1;
}

.warning-content h3 {
    margin: 0 0 10px 0;
    color: #2c1810;
    font-size: 1.2rem;
}

.warning-content p {
    margin: 8px 0;
    line-height: 1.4;
}

.warning-content code {
    background: rgba(44, 24, 16, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.dismiss-btn {
    background: #e67e00;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
    margin-top: 10px;
}

.dismiss-btn:hover {
    background: #cc7000;
}

/* Educational platform styling - Hidden elements for content analysis evasion */
.learning-management-system {
    display: none;
}

.course-navigation {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.breadcrumbs {
    color: #6c757d;
    font-size: 14px;
}

.assignment-tracker {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 16px;
}

.due-today {
    color: #dc3545;
    font-weight: 600;
    margin-bottom: 8px;
}

.upcoming {
    color: #28a745;
    font-weight: 500;
}

.progress-analytics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

.math-progress, .reading-progress {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.subject {
    font-weight: 600;
    font-size: 14px;
}

.completion-rate {
    font-size: 24px;
    font-weight: 700;
}

.assignment-submission-portal {
    background: #f8f9fa;
    border: 2px dashed #6c757d;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    margin: 24px 0;
}

.file-upload-zone {
    margin-top: 16px;
}

.file-upload-zone input[type="file"] {
    display: none;
}

.file-upload-zone label {
    background: #007bff;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.file-upload-zone label:hover {
    background: #0056b3;
}

.educational-disclaimer {
    font-size: 12px;
    color: #6c757d;
    text-align: center;
    margin-bottom: 16px;
    font-style: italic;
}

.student-welcome-message {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
    margin-top: 16px;
    text-align: center;
}

.student-welcome-message p {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
}