:root {
    --bg-color: #05050f;
    --text-color: #e0e0e0;
    --accent-gold: #d4af37;
    --accent-gold-glow: rgba(212, 175, 55, 0.4);
    --glass-bg: rgba(25, 25, 40, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --btn-gradient: linear-gradient(135deg, #2a2a4a 0%, #151525 100%);
    --btn-hover: linear-gradient(135deg, #3a3a5a 0%, #252535 100%);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(70, 50, 100, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(50, 70, 120, 0.15), transparent 25%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2.5rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    z-index: 10;
    animation: fadeIn 1s ease-out forwards;
}

/* Oracle Selector */
.oracle-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    margin-bottom: 25px;
}

.oracle-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px 5px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.oracle-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.oracle-card.active {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
}

.oracle-icon {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.oracle-name {
    font-size: 0.7rem;
    color: #ccc;
    font-weight: 600;
}

.oracle-card.active .oracle-name {
    color: var(--accent-gold);
}

/* Dynamic Oracle Extra Input Area */
#oracle-extra-input {
    margin-bottom: 20px;
    animation: fadeIn 0.4s ease-out;
}

.oracle-extra-panel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 14px;
    padding: 18px;
}

.extra-input-label {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-gold);
    margin-bottom: 12px;
    font-weight: 600;
}

.upload-area {
    text-align: center;
}

.upload-placeholder {
    border: 2px dashed rgba(255, 215, 0, 0.35);
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #aaa;
}

.upload-placeholder:hover {
    border-color: var(--accent-gold);
    background: rgba(255, 215, 0, 0.05);
    color: #fff;
}

.upload-placeholder p {
    margin: 8px 0 0;
    font-size: 0.85rem;
}

/* Hanja Picker */
.hanja-syllable-group {
    margin-bottom: 18px;
}

.hanja-syllable-header {
    font-size: 0.85rem;
    color: #aaa;
    margin-bottom: 10px;
    font-weight: 600;
}

.hanja-options-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hanja-option-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    min-width: 68px;
}

.hanja-option-btn:hover {
    background: rgba(255, 215, 0, 0.12);
    border-color: var(--accent-gold);
}

.hanja-option-btn.selected {
    background: rgba(255, 215, 0, 0.2);
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
}

.hanja-char {
    font-size: 1.5rem;
    line-height: 1;
    color: #fff;
    margin-bottom: 5px;
}

.hanja-option-btn.selected .hanja-char {
    color: var(--accent-gold);
}

.hanja-meaning {
    font-size: 0.68rem;
    color: #aaa;
    text-align: center;
    word-break: keep-all;
}

.hanja-option-btn.selected .hanja-meaning {
    color: #e0c060;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--accent-gold);
    /* Bulletproof Fallback for Mobile Safari/Translators */
    background: linear-gradient(to right, #fff, var(--accent-gold));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

/* Ensure font/span wrappers injected by mobile translators don't break the gradient */
.title * {
    background: inherit;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    text-align: center;
    font-size: 0.95rem;
    color: #a0a0b0;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Form Styles */
.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-gold);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px var(--accent-gold-glow);
}

.input-group option {
    background-color: var(--bg-color);
    color: #fff;
}

/* Hide spin buttons for number inputs */
.input-group input[type="number"]::-webkit-inner-spin-button,
.input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-group input[type="number"] {
    -moz-appearance: textfield;
    /* Firefox */
}

/* Button */
.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--btn-gradient);
    border: 1px solid var(--accent-gold);
    border-radius: 10px;
    color: var(--accent-gold);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: var(--btn-hover);
    box-shadow: 0 0 15px var(--accent-gold-glow);
    transform: translateY(-2px);
}

/* Mystical Loader */
.loader-container {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 15, 0.92);
    z-index: 9999;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.loader-text {
    margin-top: 24px;
    font-size: 1.2rem;
    color: var(--accent-gold);
    letter-spacing: 2px;
    animation: pulse 1.5s infinite;
    text-align: center;
    padding: 0 20px;
}

/* Spinner Ring (replaces invisible mystic orb) */
.spinner-ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 5px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--accent-gold);
    border-right-color: var(--accent-gold);
    animation: spinRing 1s linear infinite;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

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

/* CSS Orb Animation */
.mystic-orb {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #fff, var(--accent-gold), #000);
    box-shadow: 0 0 20px var(--accent-gold-glow), inset 0 0 10px #000;
    animation: floatOrb 3s ease-in-out infinite, glowOrb 2s alternate infinite;
}

/* Result Area */
.result-area {
    display: none;
    margin-top: 1rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.4);
    border-left: 3px solid var(--accent-gold);
    border-radius: 4px;
    line-height: 1.6;
    font-size: 0.95rem;
    animation: fadeIn 0.5s ease-out forwards;
}

/* Upsell Button */
.btn-premium {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #aa7700 100%);
    color: #000;
    border: none;
    margin-top: 1.5rem;
    display: none;
}

.btn-premium:hover {
    background: linear-gradient(135deg, #ffdb58 0%, var(--accent-gold) 100%);
    box-shadow: 0 0 20px var(--accent-gold-glow);
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    /* Below the glass panel (z-index: 10) */
    pointer-events: none;
}

/* Background floating particles */
.particle {
    position: absolute;
    background: var(--accent-gold);
    border-radius: 50%;
    opacity: 0.3;
    pointer-events: none;
    animation: floatParticle 10s infinite linear;
}

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

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

@keyframes pulse {
    0% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.6;
    }
}

@keyframes floatOrb {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(180deg);
    }

    100% {
        transform: translateY(0px) rotate(360deg);
    }
}

@keyframes glowOrb {
    0% {
        box-shadow: 0 0 15px var(--accent-gold-glow);
    }

    100% {
        box-shadow: 0 0 35px var(--accent-gold);
    }
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    100% {
        transform: translateY(-100vh) translateX(20px);
        opacity: 0;
    }
}

/* Premium Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    width: 90%;
    max-width: 800px;
    text-align: center;
    position: relative;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--accent-gold);
}

/* Tool Library Styles */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.tool-card {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
    background: rgba(40, 30, 10, 0.6);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
}

.tool-title {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.tool-lock {
    background: rgba(0, 0, 0, 0.6);
    color: var(--accent-gold);
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--accent-gold);
    font-weight: bold;
    letter-spacing: 0.5px;
}

.tool-card.unlocked {
    border-color: #4CAF50;
    background: rgba(20, 50, 20, 0.3);
}

.tool-card.unlocked .tool-lock {
    color: #4CAF50;
    border-color: #4CAF50;
}

.tool-card.unlocked:hover {
    transform: none;
    box-shadow: none;
}

/* ── Tarot Card Draw Styles ── */
.tarot-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
}

.tarot-card {
    width: 100px;
    height: 160px;
    perspective: 1000px;
    margin: 10px;
    opacity: 0;
    transform: translateY(-50px) scale(0.8);
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.tarot-card.appear {
    animation: drawCardAppear 0.5s forwards;
}

@keyframes drawCardAppear {
    to {
        opacity: 1;
        transform: translateY(0) scale(1.05);
    }
}

.tarot-card-inner {
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    position: relative;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.8);
}

/* Card Flipped State */
.tarot-card.flipped .tarot-card-inner {
    transform: rotateY(180deg);
}

.tarot-card.flipped.reversed .tarot-card-inner {
    transform: rotateY(180deg) rotateZ(180deg);
}

/* Front & Back Faces */
.tarot-card-front,
.tarot-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
    box-sizing: border-box;
}

/* Back of the card (initial view before flip) */
.tarot-card-back {
    background: linear-gradient(135deg, #180935, #0a0314);
    border: 2px solid rgba(255, 215, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: rgba(255, 215, 0, 0.3);
    background-image: repeating-linear-gradient(45deg, rgba(255, 215, 0, 0.05) 0px, rgba(255, 215, 0, 0.05) 10px, transparent 10px, transparent 20px);
}

/* Front of the card (visible after flip) */
.tarot-card-front {
    background: linear-gradient(to bottom, #2b1d52, #110826);
    border: 2px solid var(--accent-gold);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.tarot-card-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.4));
}

.tarot-card-name {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
}

/* ── Mobile Responsive Overrides ── */
.top-action-bar {
    position: fixed;
    top: 18px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    padding: 9px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    gap: 6px;
    transition: all 0.3s ease;
}

@media (max-width: 600px) {
    .glass-panel {
        padding: 4.5rem 1.2rem 1.2rem 1.2rem;
        /* Added generous top padding for absolute top-right bar */
        width: 95%;
        margin-top: 2rem;
        /* Push entire app down slightly */
    }

    .result-area {
        padding: 1rem;
    }

    .title {
        font-size: 1.6rem;
        margin-bottom: 0.3rem;
        line-height: 1.3;
        word-break: keep-all;
        /* Prevents awkward Korean word wrapping */
    }

    .top-action-bar {
        top: 12px;
        right: 12px;
        left: 12px;
        gap: 6px;
    }

    .action-btn {
        padding: 7px 12px;
        font-size: 0.75rem;
        gap: 4px;
    }

    /* Hide text labels for common buttons on mobile */
    .action-btn .action-text {
        display: none;
    }

    /* Simplify and truncate user name text on mobile */
    .auth-label-text {
        max-width: 110px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: inline-block;
        vertical-align: middle;
    }
}