/* ═══════════════════════════════════════════════════════════════════════════════
   TALE4KIDS - Design System
   A magical, kid-friendly design for storytelling adventures
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Baloo+2:wght@700;800&display=swap');

/* ── CSS Variables ── */
:root {
    --purple:       #6C5CE7;
    --purple-light: #A29BFE;
    --purple-dark:  #5A4BD1;
    --teal:         #00CEC9;
    --teal-light:   #81ECEC;
    --teal-dark:    #00B5B0;
    --yellow:       #FDCB6E;
    --yellow-light: #FFEAA7;
    --coral:        #FF7675;
    --coral-light:  #FAB1A0;
    --pink:         #FD79A8;
    --green:        #00B894;
    --green-light:  #55EFC4;
    --blue:         #74B9FF;
    --blue-light:   #A8D8FF;
    --orange:       #F39C12;
    --dark:         #2D3436;
    --gray:         #636E72;
    --gray-light:   #B2BEC3;
    --gray-lighter: #DFE6E9;
    --bg:           #F8F9FF;
    --white:        #FFFFFF;
    --gradient-hero:    linear-gradient(135deg, #6C5CE7 0%, #A29BFE 40%, #74B9FF 70%, #00CEC9 100%);
    --gradient-purple:  linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
    --gradient-teal:    linear-gradient(135deg, #00CEC9 0%, #81ECEC 100%);
    --gradient-warm:    linear-gradient(135deg, #FDCB6E 0%, #FF7675 100%);
    --gradient-sunset:  linear-gradient(135deg, #FD79A8 0%, #FDCB6E 100%);
    --gradient-card:    linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
    --shadow-sm:    0 2px 8px rgba(108, 92, 231, 0.08);
    --shadow-md:    0 8px 25px rgba(108, 92, 231, 0.12);
    --shadow-lg:    0 15px 40px rgba(108, 92, 231, 0.18);
    --shadow-xl:    0 25px 60px rgba(108, 92, 231, 0.22);
    --shadow-glow:  0 0 30px rgba(108, 92, 231, 0.3);
    --shadow-teal:  0 8px 25px rgba(0, 206, 201, 0.2);
    --shadow-coral: 0 8px 25px rgba(255, 118, 117, 0.2);
    --radius-sm:    10px;
    --radius-md:    16px;
    --radius-lg:    24px;
    --radius-xl:    32px;
    --radius-pill:  50px;
    --radius-round: 50%;
    --font-primary:  'Nunito', 'Segoe UI', sans-serif;
    --font-display:  'Baloo 2', 'Nunito', cursive;
    --transition:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bounce:       all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg);
    color: var(--dark);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
}
h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.35rem; }

p { line-height: 1.7; color: var(--gray); }

a { color: var(--purple); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--purple-dark); }

/* ── Navbar ── */
.t4k-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(108, 92, 231, 0.08);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
.t4k-navbar.navbar-transparent { background: transparent; backdrop-filter: none; border-bottom: none; }
.t4k-navbar .container { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.t4k-logo { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--purple); text-decoration: none !important; }
.t4k-logo:hover { color: var(--purple); transform: scale(1.03); }
.t4k-logo-icon { font-size: 1.8rem; animation: float 3s ease-in-out infinite; }

.t4k-nav-links { display: flex; align-items: center; gap: 0.5rem; list-style: none; margin: 0; padding: 0; }
.t4k-nav-link { padding: 0.5rem 1rem; border-radius: var(--radius-pill); font-weight: 700; font-size: 0.9rem; color: var(--gray); transition: var(--bounce); text-decoration: none !important; }
.t4k-nav-link:hover { color: var(--purple); background: rgba(108, 92, 231, 0.08); transform: translateY(-1px); }

.t4k-menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; padding: 0.5rem; color: var(--purple); }

/* ── Buttons ── */
.btn-magic { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.8rem 2rem; border: none; border-radius: var(--radius-pill); font-family: var(--font-primary); font-weight: 800; font-size: 1rem; cursor: pointer; transition: var(--bounce); text-decoration: none !important; position: relative; overflow: hidden; }
.btn-magic::after { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; background: rgba(255, 255, 255, 0.2); border-radius: 50%; transform: translate(-50%, -50%); transition: width 0.6s, height 0.6s; }
.btn-magic:active::after { width: 300px; height: 300px; }
.btn-magic:hover { transform: translateY(-3px); text-decoration: none !important; }
.btn-magic:active { transform: translateY(-1px); }

.btn-primary-magic { background: var(--gradient-purple); color: white; box-shadow: var(--shadow-md); }
.btn-primary-magic:hover { box-shadow: var(--shadow-lg); color: white; }
.btn-secondary-magic { background: white; color: var(--purple); border: 2px solid var(--purple-light); box-shadow: var(--shadow-sm); }
.btn-secondary-magic:hover { background: var(--purple); color: white; border-color: var(--purple); box-shadow: var(--shadow-md); }
.btn-teal-magic { background: var(--gradient-teal); color: white; box-shadow: var(--shadow-teal); }
.btn-teal-magic:hover { box-shadow: 0 12px 35px rgba(0, 206, 201, 0.3); color: white; }
.btn-coral-magic { background: var(--gradient-warm); color: white; box-shadow: var(--shadow-coral); }
.btn-coral-magic:hover { box-shadow: 0 12px 35px rgba(255, 118, 117, 0.3); color: white; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.15rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }
.btn-icon { font-size: 1.2em; }

.btn-hero-primary { background: white; color: var(--purple); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15); }
.btn-hero-primary:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2); color: var(--purple); }
.btn-hero-secondary { background: rgba(255, 255, 255, 0.15); color: white; border: 2px solid rgba(255, 255, 255, 0.4); backdrop-filter: blur(10px); }
.btn-hero-secondary:hover { background: rgba(255, 255, 255, 0.25); border-color: rgba(255, 255, 255, 0.6); color: white; }

/* ── Cards ── */
.t4k-card { background: var(--gradient-card); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md); transition: var(--bounce); border: 1px solid rgba(108, 92, 231, 0.05); position: relative; overflow: hidden; }
.t4k-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.t4k-card-icon { width: 64px; height: 64px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 1.25rem; }
.t4k-card-icon.purple { background: rgba(108, 92, 231, 0.12); }
.t4k-card-icon.teal { background: rgba(0, 206, 201, 0.12); }
.t4k-card-icon.coral { background: rgba(255, 118, 117, 0.12); }
.t4k-card-icon.yellow { background: rgba(253, 203, 110, 0.15); }
.t4k-card-icon.pink { background: rgba(253, 121, 168, 0.12); }
.t4k-card-icon.green { background: rgba(0, 184, 148, 0.12); }
.t4k-card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.t4k-card p { font-size: 0.95rem; margin-bottom: 0; }

/* ── Forms ── */
.t4k-form-group { margin-bottom: 1.5rem; }
.t4k-label { display: block; font-weight: 700; font-size: 0.9rem; color: var(--dark); margin-bottom: 0.5rem; }
.t4k-input { width: 100%; padding: 0.85rem 1.25rem; border: 2px solid var(--gray-lighter); border-radius: var(--radius-md); font-family: var(--font-primary); font-size: 1rem; font-weight: 600; color: var(--dark); background: var(--white); transition: var(--transition); outline: none; }
.t4k-input::placeholder { color: var(--gray-light); font-weight: 400; }
.t4k-input:focus { border-color: var(--purple-light); box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1); }
.t4k-input.input-error { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255, 118, 117, 0.1); }
.t4k-input-code { text-align: center; font-size: 2rem; letter-spacing: 1rem; font-weight: 800; padding: 1rem; }
.t4k-error { color: var(--coral); font-size: 0.85rem; font-weight: 600; margin-top: 0.35rem; }

/* ── Hero ── */
.t4k-hero { background: var(--gradient-hero); min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; padding: 2rem; }
.t4k-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 70%); }
.t4k-hero-content { text-align: center; color: white; position: relative; z-index: 2; max-width: 800px; }
.t4k-hero-title { font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; color: white; margin-bottom: 0.5rem; text-shadow: 0 4px 20px rgba(0,0,0,0.15); animation: slideUp 0.8s ease-out; }
.t4k-hero-subtitle { font-size: clamp(1.1rem, 2.5vw, 1.5rem); font-weight: 600; color: rgba(255,255,255,0.92); margin-bottom: 2.5rem; line-height: 1.6; animation: slideUp 0.8s ease-out 0.15s both; }
.t4k-hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; animation: slideUp 0.8s ease-out 0.3s both; }
.t4k-hero-buttons .btn-magic { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* ── Stars & Clouds ── */
.t4k-stars { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.t4k-star { position: absolute; animation: twinkle 3s ease-in-out infinite; opacity: 0.6; }
.t4k-star:nth-child(1) { top: 12%; left: 8%; animation-delay: 0s; font-size: 1.2rem; }
.t4k-star:nth-child(2) { top: 18%; right: 12%; animation-delay: 0.5s; font-size: 1.8rem; }
.t4k-star:nth-child(3) { top: 35%; left: 5%; animation-delay: 1s; font-size: 1rem; }
.t4k-star:nth-child(4) { top: 60%; right: 8%; animation-delay: 1.5s; font-size: 1.4rem; }
.t4k-star:nth-child(5) { bottom: 20%; left: 15%; animation-delay: 0.8s; font-size: 1.6rem; }
.t4k-star:nth-child(6) { bottom: 30%; right: 20%; animation-delay: 2s; font-size: 1.1rem; }
.t4k-star:nth-child(7) { top: 45%; left: 20%; animation-delay: 0.3s; font-size: 0.9rem; }
.t4k-star:nth-child(8) { top: 75%; right: 30%; animation-delay: 1.2s; font-size: 1.3rem; }
.t4k-cloud { position: absolute; font-size: 3rem; opacity: 0.15; animation: floatCloud 20s linear infinite; }
.t4k-cloud:nth-child(1) { top: 15%; animation-delay: 0s; font-size: 4rem; }
.t4k-cloud:nth-child(2) { top: 55%; animation-delay: -8s; font-size: 3rem; }
.t4k-cloud:nth-child(3) { top: 35%; animation-delay: -15s; font-size: 3.5rem; }

/* ── Sections ── */
.t4k-section { padding: 5rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.t4k-section-header { text-align: center; margin-bottom: 3.5rem; }
.t4k-section-header h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 0.75rem; }
.t4k-section-header p { font-size: 1.15rem; max-width: 600px; margin: 0 auto; }

.t4k-badge { display: inline-block; padding: 0.35rem 1rem; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.t4k-badge.purple { background: rgba(108, 92, 231, 0.1); color: var(--purple); }
.t4k-badge.teal { background: rgba(0, 206, 201, 0.1); color: var(--teal-dark); }

.t4k-features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.75rem; }

/* ── Steps ── */
.t4k-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem; counter-reset: step; }
.t4k-step { text-align: center; padding: 2rem 1.5rem; }
.t4k-step-number { width: 56px; height: 56px; border-radius: var(--radius-round); background: var(--gradient-purple); color: white; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; margin-bottom: 1.25rem; box-shadow: var(--shadow-md); }
.t4k-step-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.t4k-step h4 { margin-bottom: 0.5rem; }

/* ── Auth ── */
.t4k-auth-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--gradient-hero); padding: 2rem; position: relative; overflow: hidden; }
.t4k-auth-card { background: white; border-radius: var(--radius-xl); padding: 2.5rem; width: 100%; max-width: 440px; box-shadow: var(--shadow-xl); position: relative; z-index: 2; animation: scaleIn 0.5s ease-out; }
.t4k-auth-header { text-align: center; margin-bottom: 2rem; }
.t4k-auth-header .t4k-logo { justify-content: center; font-size: 1.8rem; margin-bottom: 1rem; }
.t4k-auth-header h2 { font-size: 1.6rem; margin-bottom: 0.25rem; }
.t4k-auth-header p { font-size: 0.95rem; }
.t4k-auth-footer { text-align: center; margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid var(--gray-lighter); }
.t4k-auth-footer a { font-weight: 700; }

.t4k-code-container { text-align: center; margin: 2rem 0; }
.t4k-email-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(108, 92, 231, 0.08); padding: 0.5rem 1rem; border-radius: var(--radius-pill); font-weight: 700; color: var(--purple); font-size: 0.9rem; margin-bottom: 1.5rem; }

/* ── Dashboard ── */
.t4k-dashboard { padding: 2rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.t4k-welcome-banner { background: var(--gradient-purple); border-radius: var(--radius-xl); padding: 2.5rem; color: white; margin-bottom: 2rem; position: relative; overflow: hidden; }
.t4k-welcome-banner::after { content: '\1F4DA\2728\1F31F'; position: absolute; right: 2rem; top: 50%; transform: translateY(-50%); font-size: 3rem; opacity: 0.3; letter-spacing: 0.5rem; }
.t4k-welcome-banner h2 { color: white; margin-bottom: 0.5rem; }
.t4k-welcome-banner p { color: rgba(255,255,255,0.85); font-size: 1.05rem; }
.t4k-children-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.t4k-child-card { background: white; border-radius: var(--radius-lg); padding: 2rem; text-align: center; box-shadow: var(--shadow-md); transition: var(--bounce); border: 2px solid transparent; cursor: pointer; }
.t4k-child-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--purple-light); }
.t4k-child-avatar { width: 80px; height: 80px; border-radius: var(--radius-round); background: var(--gradient-sunset); display: flex; align-items: center; justify-content: center; font-size: 2.5rem; margin: 0 auto 1rem; }
.t4k-add-child-card { border: 3px dashed var(--gray-lighter); background: transparent; box-shadow: none; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 200px; color: var(--gray-light); transition: var(--bounce); }
.t4k-add-child-card:hover { border-color: var(--purple-light); color: var(--purple); background: rgba(108, 92, 231, 0.03); box-shadow: none; }
.t4k-add-child-card .add-icon { width: 60px; height: 60px; border-radius: var(--radius-round); background: var(--gray-lighter); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 0.75rem; transition: var(--transition); }
.t4k-add-child-card:hover .add-icon { background: rgba(108, 92, 231, 0.1); }

/* ── Footer ── */
.t4k-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 3rem 1.5rem 1.5rem; margin-top: auto; }
.t4k-footer-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.t4k-footer .t4k-logo { color: white; font-size: 1.3rem; }
.t4k-footer-links { display: flex; gap: 1.5rem; list-style: none; padding: 0; margin: 0; }
.t4k-footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; font-weight: 600; transition: var(--transition); }
.t4k-footer-links a:hover { color: var(--yellow); }
.t4k-footer-copy { width: 100%; text-align: center; padding-top: 1.5rem; margin-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ── Alerts ── */
.t4k-alert { padding: 1rem 1.25rem; border-radius: var(--radius-md); font-weight: 600; font-size: 0.9rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
.t4k-alert-success { background: rgba(0,184,148,0.1); color: var(--green); border: 1px solid rgba(0,184,148,0.2); }
.t4k-alert-error { background: rgba(255,118,117,0.1); color: var(--coral); border: 1px solid rgba(255,118,117,0.2); }
.t4k-alert-info { background: rgba(108,92,231,0.08); color: var(--purple); border: 1px solid rgba(108,92,231,0.15); }

/* ── CTA Section ── */
.t4k-cta-section { background: var(--gradient-purple); border-radius: var(--radius-xl); padding: 4rem 2rem; text-align: center; color: white; margin: 2rem auto; max-width: 1100px; position: relative; overflow: hidden; }
.t4k-cta-section::before { content: ''; position: absolute; top: -50%; right: -20%; width: 300px; height: 300px; background: rgba(255,255,255,0.08); border-radius: 50%; }
.t4k-cta-section::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 200px; height: 200px; background: rgba(255,255,255,0.06); border-radius: 50%; }
.t4k-cta-section h2 { color: white; font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 0.75rem; position: relative; z-index: 1; }
.t4k-cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 2rem; position: relative; z-index: 1; }

/* ── Animations ── */
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes twinkle { 0%, 100% { opacity: 0.4; transform: scale(1); } 50% { opacity: 1; transform: scale(1.3); } }
@keyframes floatCloud { from { left: -20%; } to { left: 120%; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

.animate-on-scroll { opacity: 0; animation: fadeInUp 0.6s ease-out forwards; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

/* ── Utilities ── */
.text-center { text-align: center; }
.text-purple { color: var(--purple); }
.text-teal { color: var(--teal); }
.text-coral { color: var(--coral); }
.text-gray { color: var(--gray); }
.font-bold { font-weight: 700; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.w-full { width: 100%; }

.t4k-spinner { display: inline-block; width: 20px; height: 20px; border: 3px solid rgba(255,255,255,0.3); border-radius: 50%; border-top-color: white; animation: spin 0.6s linear infinite; }

/* ── Validation ── */
.field-validation-error { color: var(--coral); font-size: 0.85rem; font-weight: 600; margin-top: 0.35rem; display: block; }
.input-validation-error { border-color: var(--coral) !important; box-shadow: 0 0 0 4px rgba(255,118,117,0.1) !important; }
.validation-summary-errors ul { list-style: none; padding: 0; margin: 0; }
.validation-summary-errors { background: rgba(255,118,117,0.08); border: 1px solid rgba(255,118,117,0.2); border-radius: var(--radius-md); padding: 1rem; color: var(--coral); font-weight: 600; font-size: 0.9rem; margin-bottom: 1.5rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .t4k-menu-toggle { display: block; }
    .t4k-nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: white; flex-direction: column; padding: 1rem; box-shadow: var(--shadow-lg); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
    .t4k-nav-links.active { display: flex; }
    .t4k-hero-buttons { flex-direction: column; align-items: center; }
    .t4k-hero-buttons .btn-magic { width: 100%; max-width: 300px; }
    .t4k-section { padding: 3rem 1rem; }
    .t4k-auth-card { padding: 2rem 1.5rem; }
    .t4k-welcome-banner::after { display: none; }
    .t4k-footer-content { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    .t4k-auth-card { padding: 1.5rem 1.25rem; border-radius: var(--radius-lg); }
}