/* Screen Layout System */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile */
    display: none;
    opacity: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    background: var(--background);
}

.screen.active {
    display: flex;
    opacity: 1;
    animation: fadeIn var(--transition-base) ease;
}

.screen-content {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

/* Splash Screen */
.splash-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    gap: var(--spacing-2xl);
}

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

.game-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    line-height: 1;
    margin: 0;
}

.title-line-1 {
    display: block;
    background: var(--gradient-electric);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line-2 {
    display: block;
    color: var(--text-primary);
    font-size: var(--text-3xl);
}

.game-tagline {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
}

.splash-illustration {
    width: 100%;
    max-width: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.logo-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

.placeholder-illustration {
    font-size: 120px;
    line-height: 1;
}

.splash-info {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: calc(var(--spacing-md) * -1);
}

/* Contact Form Screen */
.form-container {
    max-width: 400px;
    margin: auto;
    width: 100%;
}

.screen-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.screen-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-2xl);
}

/* Welcome Screen */
.welcome-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.welcome-greeting {
    font-size: var(--text-2xl);
    color: var(--primary-blue);
    font-weight: var(--font-semibold);
    text-align: center;
}

.instructions {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid #E0E7FF;
}

.instructions-intro {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-medium);
}

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

.instructions-list li {
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.instructions-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: var(--font-bold);
}

.career-preview {
    text-align: center;
}

.career-preview-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.career-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.career-tag {
    background: var(--surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-primary);
    border: 1px solid #E0E7FF;
}

/* Question Screen */
.progress-container {
    margin-bottom: var(--spacing-2xl);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
}

.question-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.question-nav {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.question-nav button {
    flex: 1;
}

/* Sound Toggle */
.sound-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    font-size: var(--text-xl);
    transition: transform var(--transition-fast);
}

.sound-toggle:active {
    transform: scale(0.95);
}

.sound-toggle.muted .sound-icon::after {
    content: "🔇";
}

/* Loading Screen */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: var(--spacing-xl);
    text-align: center;
}

.loading-spinner {
    width: 120px;
    height: 120px;
    position: relative;
}

.loading-title {
    font-size: var(--text-2xl);
    color: var(--text-primary);
}

.loading-subtitle {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

.loading-dots {
    display: flex;
    gap: var(--spacing-sm);
}

/* Results Screen */
.results-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-2xl);
}

.results-header {
    text-align: center;
    position: relative;
}

.results-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-sm);
}

.confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.career-match {
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.primary-match {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2F1 100%);
    border: 2px solid var(--primary-blue);
}

.match-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
}

.match-title {
    font-size: var(--text-2xl);
    color: var(--text-primary);
}

.match-percentage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.percentage-circle {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.percentage-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: white;
}

.percentage-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
}

.match-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

.day-in-life {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.section-title {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.day-list li {
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.day-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
}

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

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

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

.prize-reminder {
    text-align: center;
    font-size: var(--text-base);
    color: var(--primary-blue);
    font-weight: var(--font-medium);
    background: #EEF2FF;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}