:root {
    --bg-primary: #171E36;
    --bg-secondary: #1a2138;
    --bg-card: #222947;
    --text-primary: #ffffff;
    --text-secondary: #b8c1ec;
    --accent-gold: #d4af37;
    --accent-gold-light: #f4d03f;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-gold: rgba(212, 175, 55, 0.4);
    --glow-purple: rgba(139, 92, 246, 0.3);
    
    --font-display: 'Cinzel', serif;
    --font-body: 'Cormorant Garamond', serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 60vh;
}

/* ==========================================
   HEADER
========================================== */
.app-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding: 2rem 0;
}

.header-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.4; transform: translate(-50%, -50%) scale(1.1); }
}

.app-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--accent-gold);
    text-shadow: 
        0 0 20px var(--glow-gold),
        0 0 40px var(--glow-gold),
        0 2px 4px var(--shadow-color);
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

.app-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin: 0;
    font-style: italic;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

/* ==========================================
   QUESTION CONTAINER
========================================== */
.question-container {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 
        0 10px 40px var(--shadow-color),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.question-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.5;
}

.question-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.question-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-primary);
    resize: vertical;
    transition: all 0.3s ease;
}

.question-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 
        0 0 0 3px rgba(212, 175, 55, 0.1),
        0 0 20px var(--glow-gold);
}

.question-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.char-counter {
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* ==========================================
   BOTONES
========================================== */
.btn-consultar,
.btn-nueva-consulta {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    color: #1a1a1a;
    border: none;
    border-radius: 12px;
    padding: 1.25rem 2rem;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-shadow: 
        0 4px 15px rgba(212, 175, 55, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-consultar:hover,
.btn-nueva-consulta:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(212, 175, 55, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.btn-consultar:active,
.btn-nueva-consulta:active {
    transform: translateY(0);
}

.btn-consultar:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.btn-consultar:hover .btn-glow,
.btn-nueva-consulta:hover .btn-glow {
    opacity: 1;
}

/* ==========================================
   CARDS SELECTION
========================================== */
.cards-selection-container {
    margin-bottom: 3rem;
}

.selection-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.selection-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--accent-gold);
    margin: 0 0 1rem 0;
    font-weight: 600;
}

.progress-indicator {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.progress-count {
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 1.3rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (max-width: 767px) {
    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

/* ==========================================
   CARD BACK (Reverso de carta)
========================================== */
.card-back {
    aspect-ratio: 2.5 / 3.5;
    background: linear-gradient(135deg, #2a1a5e 0%, #1a0f3a 100%);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.3),
        inset 0 0 0 2px rgba(212, 175, 55, 0.3);
}

.card-back::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 2px solid var(--accent-gold);
    border-radius: 8px;
    opacity: 0.5;
}

.card-back::after {
    content: '✦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--accent-gold);
    opacity: 0.6;
}

.card-back:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 
        0 12px 30px rgba(0, 0, 0, 0.4),
        0 0 30px var(--glow-gold),
        inset 0 0 0 2px var(--accent-gold);
}

.card-back.selected {
    animation: goldPulse 1.5s ease-in-out infinite;
    box-shadow: 
        0 0 40px var(--glow-gold),
        0 0 60px var(--glow-gold),
        inset 0 0 30px rgba(212, 175, 55, 0.3);
    transform: scale(1.08);
}

@keyframes goldPulse {
    0%, 100% {
        box-shadow: 
            0 0 30px var(--glow-gold),
            0 0 50px var(--glow-gold),
            inset 0 0 20px rgba(212, 175, 55, 0.2);
    }
    50% {
        box-shadow: 
            0 0 50px var(--glow-gold),
            0 0 80px var(--glow-gold),
            inset 0 0 40px rgba(212, 175, 55, 0.4);
    }
}

/* ==========================================
   READING CONTAINER
========================================== */
.reading-container {
    text-align: center;
}

.selected-cards-display {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.revealed-card-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.revealed-card {
    width: 150px;
    height: 210px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.revealed-card.flipping {
    transform: rotateY(180deg);
}

.revealed-card-front,
.revealed-card-back {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    position: absolute;
    top: 0;
    left: 0;
    backface-visibility: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.revealed-card-back {
    background: linear-gradient(135deg, #2a1a5e 0%, #1a0f3a 100%);
    z-index: 2;
}

.revealed-card-back::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 2px solid var(--accent-gold);
    border-radius: 8px;
    opacity: 0.5;
}

.revealed-card-back::after {
    content: '✦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--accent-gold);
    opacity: 0.6;
}

.revealed-card-front {
    transform: rotateY(180deg);
    z-index: 1;
}

.revealed-card-front img {
    width: 100%;
    height: 100%;
    /*object-fit: cover;*/
    border-radius: 12px;
}

.card-name {
    margin-top: 1rem;
    font-family: var(--font-display);
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
}

.reading-content {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: 
        0 10px 40px var(--shadow-color),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.reading-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--accent-gold);
    margin: 0 0 1.5rem 0;
    font-weight: 600;
}

.reading-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
    white-space: pre-wrap;
}

/* ==========================================
   LOADING OVERLAY
========================================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    position: relative;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 4px solid transparent;
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(2) {
    border-top-color: var(--accent-purple);
    animation-delay: -0.5s;
    animation-duration: 2s;
}

.spinner-ring:nth-child(3) {
    border-top-color: var(--accent-blue);
    animation-delay: -1s;
    animation-duration: 2.5s;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--accent-gold);
    font-weight: 600;
}

/* ==========================================
   MODAL
========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.modal-content {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--accent-gold);
    margin: 0 0 1rem 0;
}

.modal-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 0 2rem 0;
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-modal {
    flex: 1;
    min-width: 140px;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-modal-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    color: #1a1a1a;
}

.btn-modal-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-modal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   RESPONSIVE
========================================== */
@media (max-width: 640px) {
    .app-container {
        padding: 1.5rem 0.75rem;
    }
    
    .question-container {
        padding: 1.5rem;
    }
    
    .reading-content {
        padding: 2rem 1.5rem;
    }
    
    .selected-cards-display {
        gap: 1rem;
    }
    
    .revealed-card {
        width: 100px;
    }
    
    .modal-content {
        padding: 2rem 1.5rem;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
    
    .btn-modal {
        width: 100%;
    }
}

/* ==========================================
   ANIMACIONES ADICIONALES
========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}