@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --bg-body: #101010;
    --bg-surface: #121212;
    --bg-surface-2: #161616;

    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-tertiary: #555555;

    /* App Brand Colors */
    --accent-green: #58cc02;
    --accent-purple: #5f00b8;
    --accent-blue: #1cb0f6;
    --accent-orange: #ff9600;
    --accent-red: #ff4b4b;

    --node-active: #5f00b8;
    --node-active-dark: #3c006d;

    /* Interface Tokens */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 90px;
    --border-color: #222222;
    --btn-dark-bg: rgba(59, 59, 59, 0.1);
    --btn-dark-border: #262626;

    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    overflow-x: hidden;
    zoom: 0.9;
}

/* Door Opening Animation */
html.door-played .door-overlay {
    display: none !important;
}

.door-overlay {
    position: fixed;
    top: -10vh;
    left: -10vw;
    width: 120vw;
    height: 120vh;
    z-index: 11000;
    display: flex;
    pointer-events: none;
}

.door {
    width: 60vw;
    height: 120vh;
    background-color: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 1s cubic-bezier(0.7, 0, 0.3, 1);
    background-image:
        radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
}

.door-left {
    border-right: 1px solid var(--border-color);
    transform: translateX(0);
}

.door-right {
    border-left: 1px solid var(--border-color);
    transform: translateX(0);
}

.door-overlay.open .door-left {
    transform: translateX(-100%);
}

.door-overlay.open .door-right {
    transform: translateX(100%);
}

.door-logo {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    margin-top: -50px;
    margin-left: -50px;
    z-index: 10001;
    transition: transform 1s cubic-bezier(0.7, 0, 0.3, 1);
}

.door-overlay.open .door-logo {
    transform: translateX(50vw);
}

.disabled-link {
    pointer-events: none !important;
    opacity: 0.5;
    filter: grayscale(1);
    cursor: not-allowed;
}

.coming-soon-badge {
    position: absolute;
    right: 3px;
    background: var(--accent-orange);
    color: #000;
    font-size: 8px;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 10px;
    text-transform: uppercase;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

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

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.5;
}

/* --- Layout --- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 108vh;
    background: #131313;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    margin: 15px;

    display: flex;
    flex-direction: column;
    padding: 32px 16px;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.sidebar-nav.collapsed {
    width: var(--sidebar-collapsed-width);
}

.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    transition: var(--transition-smooth);
}

.sidebar-nav.collapsed+.main-content {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
}

/* --- Sidebar Toggle --- */
.toggle-sidebar {
    position: absolute;
    right: -40px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    background: #131313;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 13px 0 0 13px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    transform: rotate(180deg);

    justify-content: center;
    z-index: 1005;
    transition: var(--transition-smooth);
}

.toggle-sidebar:hover {
    color: #fff;
    border-color: #444;
}



/* --- Sidebar Style --- */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
    padding: 0 12px;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-logo img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sidebar-logo span {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.5px;
    transition: opacity 0.2s;
}

.sidebar-nav.collapsed .sidebar-logo span {
    opacity: 0;
    width: 0;
    margin: 0;
}

.sidebar-nav.collapsed .sidebar-logo {
    justify-content: center;
    padding: 0;
    gap: 0;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 800;
    font-size: 14px;
    text-transform: uppercase;
    border-radius: 16px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
}

.sidebar-menu a.active {
    border-color: #262626;

    color: #ffffff;
    background-color: rgba(59, 59, 59, 0.1);
    border-bottom: 5px solid #262626;
}

.sidebar-nav.collapsed .sidebar-menu a span {
    opacity: 0;
    width: 0;
    display: none;
    /* Add display none to ensure no layout impact */
}

.sidebar-nav.collapsed .sidebar-menu a {
    padding: 14px;
    justify-content: center;
    gap: 0;
}

.sidebar-menu img {
    width: 24px;
    height: 24px;
    transition: var(--transition-bounce);
    flex-shrink: 0;
}

.sidebar-menu a:hover img {
    transform: scale(1.2) rotate(5deg);
}

.sidebar-footer {
    margin-top: auto;
    padding: 0;
}

/* Enhanced Download Button in Sidebar */
.download-area-btn {
    width: 100%;
    background: var(--bg-surface-2);
    border: 2px solid var(--border-color);
    border-bottom: 5px solid var(--border-color);
    border-radius: 20px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow: hidden;
    white-space: nowrap;
    text-align: left;
}

.download-area-btn:hover {
    border-color: #333;
    background: #1a1a1a;
}

.download-area-btn img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.download-area-btn .btn-text {
    display: flex;
    flex-direction: column;
    transition: opacity 0.2s;
}

.download-area-btn .btn-text span:first-child {
    font-weight: 800;
    font-size: 13px;
}

.download-area-btn .btn-text span:last-child {
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 600;
}

.sidebar-nav.collapsed .download-area-btn {
    padding: 10px;
    justify-content: center;
    gap: 0;
}

.sidebar-nav.collapsed .download-area-btn .btn-text {
    display: none;
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--btn-dark-bg);
    color: #fff;
    padding: 16px 32px;
    border-radius: 20px;
    font-weight: 900;
    font-size: 15px;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid var(--btn-dark-border);
    border-bottom: 6px solid var(--btn-dark-border);
    cursor: pointer;
    transition: all 0.1s;
    white-space: nowrap;
}

.btn-primary:hover {
    filter: brightness(1.2);
}

.btn-primary:active {
    transform: translateY(4px);
    border-bottom-width: 2px;
}

.btn-accent {
    background-color: var(--accent-purple);
    border-color: var(--node-active-dark);
    border-bottom-color: var(--node-active-dark);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 160px 40px 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 70px);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -3px;
    margin-bottom: 24px;
    text-align: center;
}

.hero h1 span {
    display: block;
    color: var(--accent-purple);
    text-shadow: 0 0 40px rgba(95, 0, 184, 0.2);
    text-align: center;
}

.hero p {
    font-size: clamp(16px, 2vw, 22px);
    color: var(--text-secondary);
    max-width: 700px;
    font-weight: 600;
    margin-bottom: 48px;
    line-height: 1.4;
}

/* --- App Showcase Mockup --- */
.showcase-container {
    width: 100%;
    max-width: 1200px;
    margin-top: 100px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 0;
    padding-bottom: 50px;
}

.mockup-frame {
    background: #1a1a1a;
    border-radius: 32px;
    padding: 10px;
    border: 2px solid #222;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.mockup-desktop {
    width: 800px;
    height: 500px;
}

.mockup-tablet {
    width: 280px;
    height: 400px;
    position: absolute;
    left: 50px;
    bottom: -20px;
    z-index: 3;
    border-radius: 24px;
}

.mockup-phone {
    width: 160px;
    height: 330px;
    position: absolute;
    right: 80px;
    bottom: -40px;
    z-index: 4;
    border-radius: 20px;
}

.mockup-frame:hover {
    transform: translateY(-10px) scale(1.02);
}

.app-preview-ui {
    background: var(--bg-body);
    border-radius: 24px;
    height: 100%;
    display: flex;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* UI Elements inside mockups */
.ui-sidebar {
    width: 60px;
    border-right: 1px solid #222;
    background: #0d0d0d;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
}

.ui-nav-dot {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: #222;
}

.ui-nav-dot.active {
    background: var(--accent-purple);
}

.ui-main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ui-header {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 20px;
}

.ui-stat {
    height: 30px;
    width: 60px;
    background: #1a1a1a;
    border: 1px solid #222;
    border-radius: 8px;
}

.ui-path {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.ui-node {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #222;
    position: relative;
}

.ui-node.active {
    background: var(--accent-purple);
    border-bottom: 4px solid var(--node-active-dark);
}

.ui-node.completed {
    background: #5f00b866;
    border: 2px solid var(--node-active-dark);
}

/* Tablet Specific UI Adjustments */
.mockup-tablet .ui-sidebar {
    width: 50px;
}

.mockup-tablet .ui-main {
    padding: 15px;
}

/* Phone Specific UI Adjustments */
.mockup-phone .app-preview-ui {
    flex-direction: column-reverse;
}

.mockup-phone .ui-sidebar {
    width: 100%;
    height: 50px;
    border-right: none;
    border-top: 1px solid #222;
    flex-direction: row;
    justify-content: space-around;
    padding: 0;
}

.mockup-phone .ui-main {
    padding: 10px;
}

.mockup-phone .ui-header {
    justify-content: center;
}


/* --- Stats & Floating Elements --- */
.floating-item {
    position: absolute;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-bottom: 5px solid var(--border-color);
    padding: 20px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    pointer-events: none;
    z-index: 20;
}

/* --- Download Modal Options --- */
.dl-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.dl-option {
    background: #0a0a0a;
    border: 2px solid #222;
    border-bottom: 5px solid #222;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    transition: var(--transition-smooth);
}

.dl-option:hover {
    border-color: #333;
    transform: translateY(-4px);
}

.dl-option img {
    width: 32px;
    height: 32px;
}

.dl-option span {
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
}

/* Premium Global Footer */
.site-footer {
    padding: 120px 60px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    margin-top: 150px;
    position: relative;
    width: 100%;
    overflow: hidden;
}


.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 80px;
    max-width: 1300px;
    margin: 0 auto 100px;
}

.footer-brand h2 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand h2 img {
    width: 40px;
    height: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
    max-width: 320px;
}

.footer-section h3 {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-tertiary);
    margin-bottom: 32px;
}

/* Roadmap 2.0 */
.roadmap-mini {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.roadmap-step {
    position: relative;
    padding-left: 28px;
}

.roadmap-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #222;
}




.roadmap-step h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.roadmap-step span {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Quick Links & FAQ */
.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 8px;
}

/* Social Glow Hooks */
.footer-social-box {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 48px;
    height: 48px;
    background: #111;
    border: 1px solid #222;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    transition: var(--transition-bounce);
}

.social-link:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(95, 0, 184, 0.3);
}

.footer-copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: 600;
}

@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin: 0 auto;
    }

    .roadmap-step {
        padding-left: 0;
    }

    .roadmap-step::before {
        display: none;
    }

    .footer-social-box {
        justify-content: center;
    }
}

.f-streak {
    left: 5%;
    top: 40%;
    transform: rotate(-10deg);
    animation: float 6s ease-in-out infinite;
}

.f-gems {
    right: 5%;
    top: 35%;
    transform: rotate(10deg);
    animation: float 6s ease-in-out infinite 1s;
}

.f-rank {
    right: 10%;
    bottom: 20%;
    transform: rotate(-5deg);
    animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(inherit);
    }

    50% {
        transform: translateY(-20px) rotate(inherit);
    }
}

/* --- Bento Sections --- */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    width: 100%;
}

.section-title h2 {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -1.5px;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 600;
    margin-top: 10px;
}

.grid-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-bottom: 5px solid var(--border-color);
    border-radius: 32px;
    padding: 48px;
    text-align: center;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    background: var(--bg-surface-2);
    border-color: #333;
    transform: translateY(-10px);
}

.feature-card img {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 15px;
}

/* --- Mobile Compatibility --- */
@media (max-width: 1100px) {
    .sidebar-nav {
        width: 90px;
        padding: 32px 10px;
    }

    .sidebar-logo span,
    .sidebar-menu a span {
        display: none;
    }

    .main-content {
        margin-left: 90px;
        width: calc(100% - 90px);
    }

    .showcase-container {
        transform: scale(0.8);
        margin-top: 40px;
    }

    .grid-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 60px;
    }
}

@media (max-width: 768px) {
    .sidebar-nav {
        width: 100%;
        height: 70px;
        top: auto;
        bottom: 0;
        flex-direction: row;
        border-right: none;
        border-top: 1px solid #222;
        padding: 0 10px;
        justify-content: space-around;
        background: rgba(13, 13, 13, 0.95);
        backdrop-filter: blur(20px);
    }

    .sidebar-logo,
    .sidebar-footer,
    .toggle-sidebar {
        display: none;
    }

    .sidebar-menu {
        flex-direction: row;
        width: 100%;
        justify-content: space-around;
        gap: 0;
    }

    .sidebar-menu a {
        flex-direction: column;
        gap: 4px;
        padding: 10px;
        font-size: 10px;
        border: none;
    }

    .sidebar-menu a.active {
        border-bottom: none;
        background: transparent;
        color: var(--accent-purple);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding-bottom: 100px;
        padding-left: 0;
        padding-right: 0;
    }

    .sidebar-nav.collapsed+.main-content {
        margin-left: 0;
        width: 100%;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero p {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .showcase-container {
        height: 450px;
        transform: scale(0.6);
        margin-top: -50px;
    }

    .mockup-desktop {
        width: 500px;
    }

    .mockup-tablet {
        display: none;
    }

    .mockup-phone {
        right: 20px;
        bottom: 20px;
    }

    .grid-features {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 20px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .section-title h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .showcase-container {
        transform: scale(0.5);
        margin-top: -100px;
    }

    .hero h1 {
        font-size: 36px;
    }
}

/* --- Form Styles --- */
.form-container {
    max-width: 500px;
    width: 100%;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-bottom: 5px solid var(--border-color);
    border-radius: 32px;
    padding: 60px;
    margin: 40px auto;
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-header h1 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 12px;
}

.auth-header p {
    color: var(--text-secondary);
    font-weight: 600;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-input {
    width: 100%;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    color: #fff;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(95, 0, 184, 0.05);
}

.auth-footer {
    text-align: center;
    margin-top: 32px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.auth-footer a {
    color: var(--accent-purple);
    text-decoration: none;
    font-weight: 800;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* --- Social Auth --- */
.social-auth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-bottom: 4px solid var(--border-color);
    border-radius: 16px;
    padding: 12px;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.1s;
}

.btn-social:hover {
    background: var(--bg-surface-2);
}

.btn-social:active {
    transform: translateY(2px);
    border-bottom-width: 2px;
}

.btn-social img {
    width: 24px;
    height: 24px;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 32px 0;
    color: var(--text-tertiary);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider:not(:empty)::before {
    margin-right: 16px;
}

.divider:not(:empty)::after {
    margin-left: 16px;
}

/* --- Auth Tabs --- */
.auth-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    background: var(--bg-body);
    padding: 8px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 14px;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.auth-tab.active {
    background: var(--accent-purple);
    color: #fff;
}

.auth-tab i {
    font-size: 16px;
}

.teacher-fields {
    display: none;
}

.teacher-fields.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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