/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Kanit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f6f4ef;
    color: #1a1a1a;
    line-height: 1.5;
}

/* ============================================
   DARK MODE
   ============================================ */
body.dark-mode {
    background: #13141c;
    color: #e0e0e0;
}

body.dark-mode .card {
    background: #13141c;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.dark-mode .hint-grid,
body.dark-mode .starting-words {
    background: #3a3a52;
}

body.dark-mode .hint-row {
    border-bottom-color: #4a5568;
}

body.dark-mode .hint-label {
    color: #bbb;
}

body.dark-mode .tagline,
body.dark-mode .section-subheading {
    color: #aaa;
}

body.dark-mode .last-updated {
    color: #999;
}

body.dark-mode .intro-text {
    color: #ccc;
}

body.dark-mode .about-content {
    background: #2d2d44;
    border-color: #3a3a52;
}

body.dark-mode .about-content p {
    color: #bbb;
}

.dark-mode .about-content a {
    color: #e0e0e0;
}

body.dark-mode .hint-text {
    background: #f6f4ef;
    color: #000;
}

body.dark-mode .dot {
    background: #555;
}

body.dark-mode .answer-box {
    background: #1e5a50;
}

body.dark-mode .word-tag {
    background: #e0e0e0;
    color: #1a1a2e;
}

body.dark-mode .reveal-hint-btn {
    background: #e0e0e0;
    color: #1a1a2e;
}

body.dark-mode .reveal-hint-btn:hover {
    background: #c0c0c0;
}

/* ============================================
   MAIN CONTAINER
   ============================================ */
.hint-main {
    max-width: 75%;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* ============================================
   CARD
   ============================================ */
.card {
    padding: 2rem;
    margin-bottom: 1.5rem;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.page-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
}

body.dark-mode .page-title {
    color: #e0e0e0;
}

.tagline {
    text-align: center;
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 0.75rem;
}

.last-updated {
    text-align: center;
    font-size: 0.7rem;
    color: #888;
    margin-top: -0.25rem;
    margin-bottom: 1rem;
}

.section-heading {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
    color: #1a1a1a;
}

body.dark-mode .section-heading {
    color: #e0e0e0;
}

.section-subheading {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #555;
}

h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
}

body.dark-mode h3 {
    color: #e0e0e0;
}

/* ============================================
   INTRO TEXT
   ============================================ */
.intro-text {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #333;
}

.intro-text p {
    margin-bottom: 1rem;
}

/* ============================================
   PROMOTION BANNER
   ============================================ */
.promo-banner {
    background: #ffeca5;
    border-radius: 16px;
    margin: 1.5rem 0 2rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.promo-banner-inner {
    display: flex;
    align-items: stretch;
    gap: 1rem;
}

.promo-logo {
    flex-shrink: 0;
    background: #ffeca5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    min-width: 100px;
}

.promo-logo img {
    height: 80px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
}

.promo-content {
    flex: 1;
    padding: 1rem 0;
}

.promo-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: #000;
}

.promo-content p {
    font-size: 0.85rem;
    opacity: 0.9;
    margin: 0;
    line-height: 1.4;
    color: #000;
}

.promo-features {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: #000;
}

.promo-features span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.promo-features i {
    font-size: 0.7rem;
}

.dark-mode .promo-content h3,
.dark-mode .promo-content p,
.dark-mode .promo-features {
    color: #000;
}

.promo-button {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

.promo-btn {
    background: white;
    color: #667eea;
    padding: 0.7rem 1.5rem;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.promo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.promo-btn i {
    font-size: 0.9rem;
}

.dark-mode .promo-btn {
    background: #e5bb22;
    color: #000;
}

.dark-mode .promo-banner{
    background: #f6f4ef;
    color: #000;
}

.dark-mode .promo-logo{
    background: #f6f4ef;
    color: #000;
}

/* ============================================
   HINT GRID & ROWS
   ============================================ */
.hint-grid {
    background: #f8f8f6;
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.hint-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.hint-header h3 {
    margin-bottom: 0;
}

.hint-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.hint-row:last-child {
    border-bottom: none;
}

.hint-label {
    font-weight: 500;
    color: #555;
}

.hint-value {
    font-weight: 500;
}

/* Clue Strength Dots */
.clue-dots {
    display: flex;
    gap: 5px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
}

.dot.filled {
    background: #e9c257;
}

/* Hints List */
.hints-list {
    margin: 0.5rem 0 0 1.25rem;
}

.hints-list li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Hint Text */
.hint-text {
    background: #f0f0ed;
    padding: 0.75rem;
    border-radius: 8px;
    border-left: 3px solid #e9c257;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.hint-text.hidden {
    display: none;
}

/* Reveal Hint Button */
.reveal-hint-btn {
    background: #e9c257;
    color: #1a1a1a;
    border: none;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reveal-hint-btn:hover {
    background: #d4a017;
    transform: translateY(-1px);
}

/* ============================================
   SPOILER & ANSWER
   ============================================ */
.spoiler-btn {
    width: 100%;
    padding: 0.9rem;
    background: #e9c257;
    color: #1a1a1a;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
    margin-bottom: 1rem;
}

.spoiler-btn:hover {
    background: #d4a017;
}

.answer-box {
    display: none;
    background: #2c7a6e;
    color: white;
    padding: 1.25rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1rem;
}

.answer-word {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.25rem;
}

.answer-meta {
    font-size: 0.85rem;
}

/* ============================================
   STARTING WORDS
   ============================================ */
.starting-words {
    background: #f8f8f6;
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.word-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.word-tag {
    background: #e9c257;
    color: #1a1a1a;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ============================================
   TIPS LIST
   ============================================ */
.tips-list {
    margin: 0.5rem 0 0 1.25rem;
}

.tips-list li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.color-green {
    color: #2c7a6e;
}

.color-yellow {
    color: #e9c257;
}

.color-orange {
    color: #e25555;
}

/* ============================================
   ABOUT CONTENT
   ============================================ */
.about-content {
    margin-top: 1rem;
    padding: 2rem;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e8e8e8;
}

.about-content p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
}

.about-content h3 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    text-align: center;
    background-color: #facb1c;
    padding: 1rem;
    font-size: 0.85rem;
    color: #000;
}

.footer p {
    margin: 0.3rem;
}

body.dark-mode .footer {
    color: #94a3b8;
    background-color: #2f3247;
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: #000;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #000;
    text-decoration: underline;
}

body.dark-mode .footer-links a {
    color: #94a3b8;
}

body.dark-mode .footer-links a:hover {
    color: #e0e0e0;
}

.footer-links span {
    margin: 0 0.2rem;
    color: #94a3b8;
}

/* Social Links */
.social-links {
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.social-links .fab {
    font-size: 1.1rem;
}

.social-links span {
    color: #000;
    font-size: 0.85rem;
}

.social-links a {
    color: #000;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: color 0.2s, transform 0.2s;
    padding: 0.2rem;
}

.social-links a:hover {
    transform: scale(1.1);
    text-decoration: none;
}

.social-links a:nth-child(2):hover {
    color: #E4405F;
}

.social-links a:nth-child(4):hover {
    color: #1877F2;
}

.social-links a:nth-child(6):hover {
    color: #1DA1F2;
}

body.dark-mode .social-links span {
    color: #94a3b8;
}

body.dark-mode .social-links a {
    color: #94a3b8;
}

body.dark-mode .social-links a:hover {
    color: #e0e0e0;
}

.heart {
    color: red;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .hint-main {
        max-width: 90%;
        margin: 1rem auto;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    .hint-main {
        max-width: 100%;
        margin: 1rem auto;
        padding: 0 0.75rem;
    }
    
    .card {
        padding: 1.25rem;
    }
    
    .page-title {
        font-size: 1.3rem;
    }
    
    .answer-word {
        font-size: 1.4rem;
    }
    
    .hint-row {
        flex-direction: column;
        gap: 4px;
    }

    .hint-grid {
        margin-bottom: 0;
    }
    
    .word-grid {
        gap: 0.4rem;
    }
    
    .word-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
    
    .about-content {
        padding: 2rem;
        margin: 1.5rem;
        margin-top: 0;
    }
    
    /* Promo banner responsive */
    .promo-banner-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem;
    }
    
    .promo-logo {
        padding: 0.5rem;
        min-width: auto;
    }
    
    .promo-logo img {
        height: 60px;
    }
    
    .promo-content {
        padding: 0;
        text-align: center;
    }
    
    .promo-features {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .promo-button {
        padding: 0.5rem 0 1rem;
    }
    
    .promo-btn {
        padding: 0.5rem 1.2rem;
        font-size: 0.85rem;
    }
    
    /* Footer responsive */
    .footer {
        margin-bottom: 120px;
    }
    
    .social-links {
        flex-wrap: wrap;
        gap: 0.3rem;
    }
}

/* Mobile ad: only center, horizontal shape */
.mobile-ad {
  display: none;
  width: 100%;
  margin: 0;
}

.mobile-ad-inner {
  padding: 10px;
}

/* Responsive logic: show only center ad on mobile */
@media (max-width: 600px) {
  .mobile-ad {
    display: flex;
    width: 100%;
    max-height: 120px;
    overflow: hidden; 
    justify-content: center; 
    align-items: center;
    position: fixed;
    bottom: 0;
    top: auto;
    z-index: 9999;
    background: rgba(233, 227, 213, 0.75)
    /* Blur effect */
    /* backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px); */
  }

  body.dark-mode .mobile-ad {
    background: rgba(19, 20, 28, 0.7);
  }
}