/* ============================================
   ТЕМА 1: PLAYFUL (Игривая - оригинальная)
   ============================================ */
.ihg-theme-playful {
    --bg-gradient-start: #f0f4fc;
    --bg-gradient-end: #e0f2ec;
    --header-bg: #2b2f2d;
    --header-text-start: #4f8aff;
    --header-text-end: #20b2aa;
    --toast-bg: #313131;
    --toast-text: #fff;
    --cell-inactive: #9aa2a1;
    --cell-inactive-shadow: #8a9291;
    --cell-active: #313131;
    --cell-active-shadow: #1e1e1e;
    --cell-active-text: #fff;
    --cell-correct: #f4b24e;
    --cell-correct-shadow: #d9911e;
    --cell-correct-text: #2b2f2d;
    --cell-exists: #fcfcfc;
    --cell-exists-shadow: #d4d4d4;
    --cell-exists-text: #2b2f2d;
    --cell-exists-border: #e0e0e0;
    --cell-wrong: #4b5563;
    --cell-wrong-shadow: #374151;
    --cell-wrong-text: #9ca3af;
    --cursor-dot: #8da1f8;
    --cursor-glow: rgba(141, 161, 248, 0.6);
    --legend-bg: #313131;
    --legend-text: #e5e7eb;
    --btn-gradient-start: #4c5fc5;
    --btn-gradient-end: #2c9782;
    --btn-shadow: #2a4185;
    --btn-glow: rgba(44, 151, 130, 0.3);
}

/* ============================================
   ТЕМА 2: MIDNIGHT (Полночь - Плоский скриншот)
   ============================================ */
.ihg-theme-midnight {
    --bg-gradient-start: #212121;
    --bg-gradient-end: #212121;
    --header-bg: #2d2d2d;
    --header-text-start: #4f8aff;
    --header-text-end: #20b2aa;
    --toast-bg: #333333;
    --toast-text: #ffffff;
    
    --cell-inactive: transparent;
    --cell-inactive-shadow: transparent;
    --cell-active: transparent;
    --cell-active-shadow: transparent;
    --cell-active-text: #ffffff;
    
    --cell-correct: #f3a600; 
    --cell-correct-shadow: transparent;
    --cell-correct-text: #212121;
    
    --cell-exists: #e5e5ea; 
    --cell-exists-shadow: transparent;
    --cell-exists-text: #212121;
    --cell-exists-border: transparent;
    
    --cell-wrong: #3a3a3c; 
    --cell-wrong-shadow: transparent;
    --cell-wrong-text: #ffffff;
    
    --cursor-dot: #8da1f8;
    --cursor-glow: transparent;
    --legend-bg: #2d2d2d;
    --legend-text: #ffffff;
    --btn-gradient-start: #4c5fc5;
    --btn-gradient-end: #2c9782;
    --btn-shadow: transparent;
    --btn-glow: transparent;
}

.ihg-theme-midnight .ihg-playful-wrapper {
    box-shadow: none;
    border: 1px solid #333;
}
.ihg-theme-midnight .ihg-cell {
    box-shadow: none !important; 
    border: 2px solid transparent; 
    border-radius: 12px;
}
.ihg-theme-midnight .ihg-cell.inactive-row {
    border: 2px dashed #4a4a4c; 
}
.ihg-theme-midnight .ihg-cell.active-row {
    border: 2px solid #5a5a5c;
}
.ihg-theme-midnight .ihg-submit-btn {
    box-shadow: none;
}
.ihg-theme-midnight .ihg-submit-btn:active {
    transform: scale(0.97); 
}
.ihg-theme-midnight .ihg-header-pill {
    box-shadow: none;
}

/* ============================================
   ТЕМА 3: SUNSET (Закат - Сочная, теплая)
   ============================================ */
.ihg-theme-sunset {
    --bg-gradient-start: #ffecd2;
    --bg-gradient-end: #fcb69f;
    --header-bg: #ffffff;
    --header-text-start: #ff7e5f;
    --header-text-end: #feb47b;
    --toast-bg: #ff7e5f;
    --toast-text: #ffffff;
    
    --cell-inactive: #ffcdb2;
    --cell-inactive-shadow: #e5b098;
    --cell-active: #ffffff;
    --cell-active-shadow: #ffe0d2;
    --cell-active-text: #ff7e5f;
    
    --cell-correct: #ff7e5f; 
    --cell-correct-shadow: #e06c50;
    --cell-correct-text: #ffffff;
    
    --cell-exists: #ffd166; 
    --cell-exists-shadow: #e0b655;
    --cell-exists-text: #2d3436;
    --cell-exists-border: #e0b655;
    
    --cell-wrong: #b5a6ab; 
    --cell-wrong-shadow: #9a8d91;
    --cell-wrong-text: #ffffff;
    
    --cursor-dot: #ff7e5f;
    --cursor-glow: rgba(255, 126, 95, 0.5);
    --legend-bg: #ffffff;
    --legend-text: #ff7e5f;
    --btn-gradient-start: #ff7e5f;
    --btn-gradient-end: #feb47b;
    --btn-shadow: #e06c50;
    --btn-glow: rgba(255, 126, 95, 0.3);
}

/* ============================================
   БАЗОВЫЕ СТИЛИ (общие для всех тем)
   ============================================ */

.ihg-playful-wrapper {
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    padding: 40px 20px;
    border-radius: 28px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    cursor: text;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 420px; 
    margin: 0 auto;
}

.ihg-board-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ihg-hidden-input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    border: none;
    padding: 0;
    z-index: -1;
}

.ihg-header-pill {
    background: var(--header-bg);
    padding: 16px 32px;
    border-radius: 24px;
    margin-bottom: 30px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.ihg-gradient-text {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(90deg, var(--header-text-start), var(--header-text-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

/* Всплывающее уведомление (по центру) */
.ihg-toast {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -30%); /* Начинает появление чуть ниже центра */
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 16px;
    opacity: 0;
    /* Пружинящая анимация появления */
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    z-index: 200; /* Гарантированно перекрывает игровые ячейки */
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    white-space: nowrap;
}

.ihg-toast.show { opacity: 1; transform: translate(-50%, -50%);} /* Встает ровно по центру */

.ihg-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    width: 100%;
    margin-bottom: 30px;
    perspective: 1000px;
}

.ihg-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 16px;
    transition: transform 0.1s, box-shadow 0.1s, background-color 0.3s;
    transform-style: preserve-3d;
    position: relative;
    box-sizing: border-box; 
}

.ihg-cell.inactive-row { 
    background-color: var(--cell-inactive); 
    color: transparent; 
    box-shadow: 0 4px 0 var(--cell-inactive-shadow); 
}

.ihg-cell.active-row { 
    background-color: var(--cell-active); 
    color: var(--cell-active-text); 
    box-shadow: 0 5px 0 var(--cell-active-shadow); 
}

.ihg-cell.has-dot::after { 
    content: ''; 
    position: absolute; 
    width: 8px; 
    height: 8px; 
    background-color: var(--cursor-dot); 
    border-radius: 50%; 
    box-shadow: 0 0 8px var(--cursor-glow); 
}

.ihg-cell.state-yellow { 
    background-color: var(--cell-correct); 
    color: var(--cell-correct-text); 
    box-shadow: 0 5px 0 var(--cell-correct-shadow); 
}

.ihg-cell.state-white { 
    background-color: var(--cell-exists); 
    color: var(--cell-exists-text); 
    box-shadow: 0 5px 0 var(--cell-exists-shadow); 
    border: 1px solid var(--cell-exists-border); 
}

.ihg-cell.state-wrong { 
    background-color: var(--cell-wrong); 
    color: var(--cell-wrong-text); 
    box-shadow: 0 5px 0 var(--cell-wrong-shadow); 
}

.ihg-cell.popIn { animation: popIn 0.15s ease-out forwards; }
@keyframes popIn { 0% { transform: scale(0.8); } 100% { transform: scale(1); } }

.ihg-cell.flip { animation: flipCell 0.5s ease forwards; }
@keyframes flipCell { 0% { transform: rotateX(0deg); } 50% { transform: rotateX(90deg); } 100% { transform: rotateX(0deg); } }

.ihg-cell.dance { animation: dance 0.6s ease-in-out; }
@keyframes dance { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

.ihg-legend {
    display: flex;
    justify-content: space-between;
    background: var(--legend-bg);
    padding: 16px 24px;
    border-radius: 18px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 20px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.ihg-legend-item { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    color: var(--legend-text); 
    font-size: 13px; 
    font-weight: 600; 
}

.ihg-dot { 
    width: 16px; 
    height: 16px; 
    border-radius: 50%; 
    display: inline-block; 
}

.ihg-dot.yellow-dot { 
    background-color: var(--cell-correct); 
    box-shadow: 0 2px 0 var(--cell-correct-shadow); 
}

.ihg-dot.white-dot { 
    background-color: var(--cell-exists); 
    box-shadow: 0 2px 0 var(--cell-exists-shadow); 
}

.ihg-submit-btn {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(90deg, var(--btn-gradient-start), var(--btn-gradient-end));
    color: white;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 0 var(--btn-shadow), 0 10px 20px var(--btn-glow);
    transition: transform 0.1s, box-shadow 0.1s, opacity 0.2s;
}

.ihg-submit-btn:active { 
    transform: translateY(6px); 
    box-shadow: 0 0px 0 var(--btn-shadow), 0 4px 10px var(--btn-glow); 
}

/* ======== КНОПКА FULLSCREEN ======== */
.ihg-fullscreen-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border: none !important;
    background: transparent !important;
    cursor: pointer;
    display: none; /* Скрыта на десктопах */
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 0;
    outline: none;
}

.ihg-fullscreen-btn i {
    font-size: 20px;
    color: var(--legend-text); /* Цвет берется из активного скина */
    opacity: 0.5;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.ihg-fullscreen-btn:active i {
    opacity: 1;
    transform: scale(0.9);
}

/* ======== АДАПТИВНОСТЬ ДЛЯ МОБИЛЬНЫХ ======== */
@media (max-width: 768px) {
    .ihg-fullscreen-btn { display: flex; }
}

@media (max-width: 480px) {
    .ihg-playful-wrapper { padding: 30px 15px; border-radius: 20px; }
    .ihg-header-pill { padding: 12px 24px; margin-bottom: 20px; border-radius: 18px; }
    .ihg-gradient-text { font-size: 20px; }
    .ihg-grid { gap: 8px; margin-bottom: 24px; }
    .ihg-cell { font-size: 1.8rem; border-radius: 12px; }
    .ihg-legend { padding: 14px 20px; border-radius: 14px; }
}

@media (max-width: 360px) {
    .ihg-playful-wrapper { padding: 20px 10px; }
    .ihg-grid { gap: 6px; }
    .ihg-cell { font-size: 1.5rem; border-radius: 10px; }
    .ihg-legend-item { font-size: 11px; }
}

/* CSS-фолбэк полноэкранного режима (для iPhone) */
.ihg-is-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100% !important;
    border-radius: 0 !important;
    z-index: 999999 !important;
    margin: 0 !important;
    padding-top: 40px !important;
    box-sizing: border-box !important;
}