/* ========================================
   CSS Variables & Root Styles
   ======================================== */
:root {
    /* Colors - Deep Pink/Rose Theme */
    --primary: #e11d74;
    --primary-dark: #be185d;
    --primary-light: #f472b6;
    --secondary: #db2777;
    --secondary-dark: #9d174d;

    /* Gradient Colors */
    --gradient-start: #e11d74;
    --gradient-end: #be185d;
    --gradient-accent: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);

    /* Result Colors */
    --result-a: #f43f5e;
    --result-a-light: #fecdd3;
    --result-b: #f59e0b;
    --result-b-light: #fde68a;
    --result-c: #10b981;
    --result-c-light: #a7f3d0;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;

    /* Background */
    --bg-dark: #000000;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(225, 29, 116, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-dark);
    color: var(--white);
    min-height: 100vh;
    min-height: 100dvh;
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(225, 29, 116, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(219, 39, 119, 0.1) 0%, transparent 50%);
}

/* ========================================
   Screen Containers
   ======================================== */
.screen {
    display: none;
    min-height: 100vh;
    min-height: 100dvh;
    padding: var(--spacing-lg);
    padding-bottom: 120px;
    animation: fadeIn 0.5s ease;
    position: relative;
}

.screen.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ========================================
   Start Screen
   ======================================== */
#start-screen {
    position: relative;
    overflow: hidden;
    justify-content: flex-start;
    padding-top: 15vh;
}

.start-content {
    max-width: 500px;
    text-align: center;
    z-index: 1;
}

.badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(225, 29, 116, 0.4);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(225, 29, 116, 0);
    }
}

.start-content h1 {
    font-size: clamp(1.75rem, 6vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1rem;
    color: var(--gray-400);
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* Bottom Button Container */
.bottom-button-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.9) 60%, transparent 100%);
    z-index: 100;
}

/* Decorative Circles */
.decorative-circles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(225, 29, 116, 0.2) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(219, 39, 119, 0.15) 0%, transparent 70%);
    bottom: 20%;
    left: -100px;
    animation: float 8s ease-in-out infinite reverse;
}

.circle-3 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(244, 114, 182, 0.15) 0%, transparent 70%);
    top: 40%;
    right: 5%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    background: var(--gradient-accent);
    color: var(--white);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(225, 29, 116, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    color: var(--white);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: rgba(225, 29, 116, 0.3);
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: transparent;
    color: var(--gray-400);
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-nav:hover:not(:disabled) {
    color: var(--white);
    border-color: rgba(225, 29, 116, 0.3);
    background: var(--bg-card);
}

.btn-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-next {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
}

.btn-next:hover:not(:disabled) {
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-container {
    width: 100%;
    max-width: 700px;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(225, 29, 116, 0.6);
}

.progress-text {
    font-size: 0.8rem;
    color: var(--gray-500);
    min-width: 55px;
    text-align: right;
}

/* ========================================
   Quiz Screen
   ======================================== */
#quiz-screen {
    justify-content: flex-start;
    padding-top: var(--spacing-xl);
}

/* ========================================
   Question Container
   ======================================== */
.question-container {
    width: 100%;
    max-width: 600px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.question {
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

.question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-accent);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.question-text {
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
}

.options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.option:hover {
    background: var(--bg-card-hover);
    border-color: rgba(225, 29, 116, 0.3);
    transform: translateX(4px);
}

.option.selected {
    background: rgba(225, 29, 116, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(225, 29, 116, 0.2);
}

.option-text {
    flex: 1;
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: color var(--transition-base);
}

.option.selected .option-text {
    color: var(--white);
}

/* ========================================
   Navigation
   ======================================== */
.navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.95) 70%, transparent 100%);
    z-index: 100;
}

.navigation .btn-nav {
    flex: 1;
}

/* ========================================
   Result Screen
   ======================================== */
#result-screen {
    justify-content: flex-start;
    padding-top: var(--spacing-xl);
    padding-bottom: 140px;
}

.result-content {
    max-width: 600px;
    text-align: center;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.result-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 1s ease infinite;
}

@keyframes bounce {

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

    50% {
        transform: translateY(-8px);
    }
}

.result-title {
    font-size: clamp(1.4rem, 5vw, 2rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-class {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.4rem 1.25rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.result-class.class-a {
    background: rgba(244, 63, 94, 0.15);
    color: var(--result-a);
    border: 1px solid var(--result-a);
}

.result-class.class-b {
    background: rgba(245, 158, 11, 0.15);
    color: var(--result-b);
    border: 1px solid var(--result-b);
}

.result-class.class-c {
    background: rgba(16, 185, 129, 0.15);
    color: var(--result-c);
    border: 1px solid var(--result-c);
}

.result-description {
    font-size: 1rem;
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.result-details {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.result-details h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.result-details ul {
    list-style: none;
    padding: 0;
}

.result-details li {
    position: relative;
    padding-left: 1.5rem;
    padding-bottom: var(--spacing-sm);
    color: var(--gray-300);
    line-height: 1.5;
    font-size: 0.9rem;
}

.result-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* Score Breakdown */
.score-breakdown {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.score-breakdown h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.score-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.score-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.score-label {
    min-width: 90px;
    font-size: 0.8rem;
    color: var(--gray-400);
}

.score-bar-container {
    flex: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.score-bar {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease;
    width: 0;
}

.score-a {
    background: linear-gradient(90deg, var(--result-a) 0%, #fb7185 100%);
}

.score-b {
    background: linear-gradient(90deg, var(--result-b) 0%, #fbbf24 100%);
}

.score-c {
    background: linear-gradient(90deg, var(--result-c) 0%, #34d399 100%);
}

.score-count {
    min-width: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--white);
    text-align: right;
}



/* ========================================
   Responsive Styles - Desktop enhancements
   ======================================== */
@media (min-width: 768px) {
    .screen {
        padding: var(--spacing-2xl);
        padding-bottom: 100px;
    }

    #start-screen {
        justify-content: center;
        padding-top: 0;
    }

    .bottom-button-container {
        position: static;
        background: none;
        padding: var(--spacing-2xl) 0 0 0;
        max-width: 400px;
    }

    .navigation {
        position: static;
        background: none;
        padding: var(--spacing-xl) 0 0 0;
        max-width: 700px;
        margin: 0 auto;
    }


    .navigation .btn-nav {
        flex: none;
    }

    #result-screen {
        padding-bottom: var(--spacing-2xl);
    }

    .option {
        padding: var(--spacing-lg);
    }

    .option:hover {
        transform: translateX(8px);
    }
}

/* ========================================
   Contact Screen - Email & Phone Collection
   ======================================== */
#contact-screen {
    justify-content: flex-start;
    padding-top: 12vh;
}

.contact-content {
    max-width: 450px;
    width: 100%;
    text-align: center;
    z-index: 1;
}

.contact-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 1s ease infinite;
}

.contact-content h2 {
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-subtitle {
    font-size: 1rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-300);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-xs);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper svg {
    position: absolute;
    left: 1rem;
    color: var(--gray-500);
    pointer-events: none;
    transition: color var(--transition-base);
}

.input-wrapper input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--white);
    transition: all var(--transition-base);
}

.input-wrapper input::placeholder {
    color: var(--gray-600);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(225, 29, 116, 0.15);
}

.input-wrapper input:focus+svg,
.input-wrapper:focus-within svg {
    color: var(--primary);
}

.input-wrapper input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.error-message {
    font-size: 0.75rem;
    color: #ef4444;
    margin-top: var(--spacing-xs);
    padding-left: var(--spacing-xs);
}

.privacy-notice {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* ========================================
   WhatsApp Button Styles
   ======================================== */
.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%) !important;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(37, 211, 102, 0.3) !important;
    text-decoration: none;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(37, 211, 102, 0.4) !important;
}

.whatsapp-notice {
    font-size: 0.85rem;
    color: var(--gray-400);
    text-align: center;
    margin-top: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
}

/* Updated result actions for single button */
.result-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.95) 70%, transparent 100%);
    z-index: 100;
}

.result-actions .btn-whatsapp {
    width: 100%;
    max-width: 400px;
}

/* ========================================
   Desktop Enhancements for Contact Screen
   ======================================== */
@media (min-width: 768px) {
    #contact-screen {
        justify-content: center;
        padding-top: 0;
    }

    .contact-content {
        max-width: 400px;
    }

    .result-actions {
        position: static;
        background: none;
        padding: var(--spacing-xl) 0;
    }

    .result-actions .btn-whatsapp {
        width: auto;
        min-width: 350px;
    }

    .whatsapp-notice {
        padding-bottom: 0;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    body {
        background: white;
        color: black;
    }

    .screen {
        display: block !important;
        page-break-after: always;
    }

    .btn-primary,
    .btn-secondary,
    .btn-nav,
    .decorative-circles,
    .bottom-button-container,
    .navigation,
    .result-actions {
        display: none;
    }
}