/* ===========================================
   SIN INTERMEDIARIOS - Noticias Caracol
   Design System & Styles
   =========================================== */

/* CSS Variables - Brand Colors */
:root {
    /* Noticias Caracol Brand Colors */
    --color-primary: #0033A0;
    --color-primary-dark: #002266;
    --color-primary-light: #1a4db3;
    --color-secondary: #E30613;
    --color-secondary-dark: #b8050f;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray: #E0E0E0;
    --color-gray-dark: #333333;
    --color-black: #1a1a1a;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    /* Topic Colors */
    --topic-economia: #3B82F6;
    --topic-seguridad: #EF4444;
    --topic-salud: #10B981;
    --topic-educacion: #8B5CF6;
    --topic-medio-ambiente: #22C55E;
    --topic-justicia: #F97316;
    --topic-infraestructura: #6366F1;
    --topic-politica-social: #EC4899;
    --topic-otros: #6B7280;

    /* Typography - Fluid Scaling */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: clamp(1rem, 2vw, 1.125rem);
    --font-size-xl: clamp(1.125rem, 2.5vw, 1.25rem);
    --font-size-2xl: clamp(1.25rem, 3vw, 1.5rem);
    --font-size-3xl: clamp(1.5rem, 4vw, 1.875rem);
    --font-size-4xl: clamp(1.75rem, 5vw, 2.25rem);
    --font-size-5xl: clamp(2rem, 6vw, 3rem);
    --font-size-6xl: clamp(2.5rem, 8vw, 3.75rem);

    /* 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: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(0, 51, 160, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-white);
    min-height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    width: 100vw;
    height: 100vh;
    /* Fallback */
    height: 100dvh;
    /* Dynamic Viewport Height for mobile browsers */
    position: relative;
    /* Safe Area */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Screen System */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Default centering */
    padding: var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: all var(--transition-slow);
    overflow: hidden;
    /* Prevent screen scroll, handle internal scroll */
}

.screen.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* ===========================================
   START SCREEN
   =========================================== */

#start-screen {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.logo-container {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: float 3s ease-in-out infinite;
}

.logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes float {

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

    50% {
        transform: translateY(-10px);
    }
}

.title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(to right, var(--color-white), rgba(255, 255, 255, 0.9));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: var(--font-size-xl);
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: var(--spacing-3xl);
    font-style: italic;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(227, 6, 19, 0.4);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 50px rgba(227, 6, 19, 0.5);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: var(--shadow-lg), 0 0 30px rgba(227, 6, 19, 0.4);
    }

    50% {
        box-shadow: var(--shadow-xl), 0 0 60px rgba(227, 6, 19, 0.6);
    }
}

.btn-icon {
    font-size: var(--font-size-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateX(5px);
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.btn-secondary:hover .btn-arrow {
    transform: translateX(5px);
}

.questions-counter {
    margin-top: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.8;
}

.counter-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.counter-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
}

/* ===========================================
   ANIMATION SCREEN (Slot Machine)
   =========================================== */

#animation-screen {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-black) 100%);
}

.animation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.animation-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    animation: fadeInOut 1.5s ease-in-out infinite;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.7;
    }

    50% {
        opacity: 1;
    }
}

.slot-machine {
    width: 90vw;
    max-width: 800px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.slot-window {
    height: 120px;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: rgba(0, 0, 0, 0.3);
    position: relative;
}

.slot-window::before,
.slot-window::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 30px;
    z-index: 10;
    pointer-events: none;
}

.slot-window::before {
    top: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
}

.slot-window::after {
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.slot-reel {
    display: flex;
    flex-direction: column;
    animation: spin 3s ease-out forwards;
}

@keyframes spin {
    0% {
        transform: translateY(0);
    }

    70% {
        transform: translateY(-2000px);
    }

    85% {
        transform: translateY(-1950px);
    }

    100% {
        transform: translateY(-1980px);
    }
}

.slot-item {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.slot-item.selected {
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--font-size-xl);
    background: linear-gradient(90deg, transparent, rgba(0, 51, 160, 0.3), transparent);
}

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

.loading-dots span {
    width: 12px;
    height: 12px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    animation: bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0.8);
        opacity: 0.5;
    }

    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* ===========================================
   QUESTION SCREEN
   =========================================== */

#question-screen {
    justify-content: space-between;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-2xl);
}

.question-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
}

.social-icon {
    font-size: var(--font-size-xl);
}

.username {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.topic-badge {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--topic-economia);
}

.topic-badge[data-topic="economia"] {
    background: var(--topic-economia);
}

.topic-badge[data-topic="seguridad"] {
    background: var(--topic-seguridad);
}

.topic-badge[data-topic="salud"] {
    background: var(--topic-salud);
}

.topic-badge[data-topic="educacion"] {
    background: var(--topic-educacion);
}

.topic-badge[data-topic="medio-ambiente"] {
    background: var(--topic-medio-ambiente);
}

.topic-badge[data-topic="justicia"] {
    background: var(--topic-justicia);
}

.topic-badge[data-topic="infraestructura"] {
    background: var(--topic-infraestructura);
}

.topic-badge[data-topic="politica-social"] {
    background: var(--topic-politica-social);
}

.topic-badge[data-topic="otros"] {
    background: var(--topic-otros);
}

.question-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1000px;
    padding: var(--spacing-xl);
}

.question-text {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-5xl));
    font-weight: 700;
    text-align: center;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Timer */
.timer-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.timer-bar-bg {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.timer-bar {
    height: 100%;
    width: 100%;
    background-color: var(--color-success);
    border-radius: var(--radius-full);
    transition: width 1s linear, background-color 0.3s ease;
}

.timer-bar.warning {
    animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.timer-display {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.timer-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.timer-value.warning {
    color: var(--color-danger);
    animation: timerPulse 0.5s ease-in-out infinite;
}

.timer-label {
    font-size: var(--font-size-lg);
    opacity: 0.8;
}

.question-footer {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.question-progress {
    font-size: var(--font-size-lg);
    opacity: 0.8;
}

/* ===========================================
   COMPLETE SCREEN
   =========================================== */

#complete-screen {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.complete-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    text-align: center;
}

.complete-icon {
    width: 120px;
    height: 120px;
    background: var(--color-success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-5xl);
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
    animation: scaleIn 0.5s ease-out;
}

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

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.complete-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
}

.complete-message {
    font-size: var(--font-size-xl);
    opacity: 0.8;
    max-width: 400px;
}

/* ===========================================
   PREVIEW SCREEN
   =========================================== */

#preview-screen {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: var(--spacing-xl);
}

.preview-container {
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.preview-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
}

.preview-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.preview-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preview-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-secondary);
    transition: all var(--transition-base);
}

.preview-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.preview-number {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-secondary);
    min-width: 30px;
}

.preview-content {
    flex: 1;
}

.preview-question-text {
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.preview-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.preview-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn-secondary-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-secondary-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */

@media (max-width: 768px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .screen {
        padding: var(--spacing-md);
    }

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

    .subtitle {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-xl);
        text-align: center;
    }

    .logo-container {
        width: 150px;
        height: 150px;
        margin-bottom: var(--spacing-lg);
    }

    .btn-primary {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-lg);
        width: 100%;
        justify-content: center;
        max-width: 300px;
    }

    .question-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .user-info {
        width: 100%;
        justify-content: center;
        background: rgba(0, 0, 0, 0.3);
    }

    .question-container {
        flex: 1;
        /* Take available space */
        width: 100%;
        padding: var(--spacing-md) 0;
        align-items: center;
        justify-content: center;
        overflow-y: auto;
        /* Scroll text if needed */
        min-height: 0;
        /* Important for flex child scrolling */
        max-height: none;
        /* Remove previous constraint */
    }

    .question-text {
        font-size: clamp(1.25rem, 5vw, 2rem);
    }

    .question-footer {
        flex-shrink: 0;
        /* Prevent footer form shrinking */
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-md);
        padding-bottom: var(--spacing-lg);
        /* Extra padding for bottom reach */
    }

    .timer-container {
        order: -1;
        /* Move timer to top on mobile sometimes preferred, but let's keep bottom for reachability? No, let's keep standard order but concise */
        width: 100%;
    }
}

@media (min-width: 1024px) {
    .logo-container {
        width: 250px;
        height: 250px;
    }

    .title {
        font-size: var(--font-size-6xl);
    }
}

/* Mobile Landscape Optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .screen {
        padding: var(--spacing-sm) var(--spacing-xl);
        flex-direction: row;
        flex-wrap: wrap;
        align-content: center;
    }

    .logo-container {
        width: 80px;
        height: 80px;
        margin-bottom: 0;
        margin-right: var(--spacing-lg);
    }

    #start-screen {
        flex-direction: row;
    }

    .start-content-wrapper {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .title {
        font-size: var(--font-size-2xl);
        text-align: left;
    }

    .subtitle {
        margin-bottom: var(--spacing-md);
        text-align: left;
    }

    #question-screen {
        padding: var(--spacing-sm) var(--spacing-xl);
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto 1fr auto;
        gap: var(--spacing-md);
    }

    .question-header {
        grid-column: 1 / -1;
        flex-direction: row;
        margin-bottom: 0;
    }

    .question-container {
        grid-column: 1 / -1;
        max-height: none;
        padding: 0;
        align-items: center;
    }

    .question-text {
        font-size: var(--font-size-xl);
    }

    .question-footer {
        grid-column: 1 / -1;
        flex-direction: row;
        padding-bottom: 0;
    }

    .timer-container {
        max-width: 300px;
    }
}

/* iPad Landscape Optimization */
@media (min-width: 1024px) and (max-width: 1400px) and (orientation: landscape) {
    #question-screen {
        padding: var(--spacing-xl) var(--spacing-3xl);
    }

    .question-text {
        font-size: var(--font-size-4xl);
    }
}