:root {
    --bg-dark: #1C1D21;
    --card-bg: #292A2E;
    --text-main: #FFFFFF;
    --text-muted: #9E9EA0;
    --brand-orange: #FF9B26;
    --brand-yellow: #FFC928;
    --card-text: #F9E7B3;
    --btn-reject: #F25757;
    --btn-accept: #44C767;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    width: 100%; height: 100%;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Nunito', sans-serif;
    overflow: hidden; touch-action: none; 
}

.screen {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
    justify-content: space-between; align-items: center;
    padding: 40px 20px;
}

.hidden { display: none !important; }

/* EKRAN 1: START */
.logo-container { text-align: center; margin-top: 10vh; }
.main-logo { width: 120px; height: auto; margin-bottom: -10px; }
.brand-title { font-family: 'Fredoka', sans-serif; font-size: 3.5rem; line-height: 1; letter-spacing: 1px; }
.brand-slide { color: var(--brand-orange); }
.brand-eat { color: var(--text-main); }
.subtitle { margin-top: 15px; font-size: 1rem; color: var(--text-muted); }

.start-actions { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 15px; margin-bottom: 5vh; }
button {
    border: none; outline: none; font-family: 'Nunito', sans-serif; font-weight: 700;
    cursor: pointer; border-radius: 30px; padding: 18px 24px; font-size: 1.1rem;
    transition: transform 0.1s ease;
}
button:active { transform: scale(0.95); }
.btn-primary { background-color: var(--brand-yellow); color: #000000; width: 100%; }
.btn-secondary { background-color: transparent; color: var(--text-muted); border: 2px solid #3A3B40; width: 100%; }
.btn-icon { margin-right: 8px; }

/* EKRAN DOŁĄCZANIA DO POKOJU */
.join-container {
    width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 15px; margin: auto 0;
}
#input-room-code {
    width: 100%; background-color: var(--card-bg); border: 2px solid #3A3B40;
    border-radius: 20px; color: var(--brand-yellow); font-family: 'Fredoka', sans-serif;
    font-size: 2.2rem; text-align: center; padding: 15px; letter-spacing: 4px;
    text-transform: uppercase; outline: none;
}
#input-room-code::placeholder { color: var(--text-muted); font-size: 1.2rem; letter-spacing: normal; }

/* EKRAN 1.5 - KATEGORIE */
.category-header { text-align: center; margin-top: 5vh; }
.category-title { font-family: 'Fredoka', sans-serif; font-size: 2.2rem; color: var(--card-text); }
.category-subtitle { color: var(--text-muted); margin-top: 5px; }

.category-list {
    width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 12px;
    overflow-y: auto; max-height: 60vh; padding-right: 5px; margin-top: 20px;
}
.category-list::-webkit-scrollbar { width: 4px; }
.category-list::-webkit-scrollbar-thumb { background-color: #3A3B40; border-radius: 4px; }

.btn-category {
    background-color: var(--card-bg); color: var(--text-main);
    text-align: left; display: flex; align-items: center;
    border: 1px solid #3A3B40; padding: 16px 20px; font-size: 1.05rem;
}
.cat-icon { font-size: 1.3rem; margin-right: 15px; }
.btn-back { margin-top: auto; margin-bottom: 2vh; max-width: 320px; }

/* EKRAN 2: GŁOSOWANIE */
.top-bar { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 2vh; margin-top: 10px; }

.room-invite-box {
    background-color: var(--brand-yellow); color: #000;
    padding: 10px 35px 12px; border-radius: 20px;
    text-align: center; cursor: pointer;
    box-shadow: 0 6px 20px rgba(255, 201, 40, 0.25);
    transition: transform 0.1s ease;
}
.room-invite-box:active { transform: scale(0.95); }

.invite-label {
    display: block; font-size: 0.75rem; font-weight: 800;
    letter-spacing: 1px; margin-bottom: 4px; opacity: 0.7;
}
.invite-code {
    font-family: 'Fredoka', sans-serif; font-size: 2.8rem;
    font-weight: 700; letter-spacing: 8px; line-height: 1;
}

.room-status {
    background-color: var(--card-bg); padding: 6px 16px; border-radius: 20px;
    font-size: 0.85rem; display: flex; align-items: center; gap: 8px; z-index: 10;
    border: 1px solid #3A3B40; color: var(--text-muted);
}
.status-dot { width: 8px; height: 8px; background-color: var(--btn-accept); border-radius: 50%; }

.cards-container { position: relative; width: 100%; max-width: 340px; aspect-ratio: 3 / 4; margin: auto 0; }
.food-card {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--card-bg); border-radius: 24px; overflow: hidden;
    display: flex; flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.card-behind { transform: scale(0.95) translateY(20px) rotate(3deg); opacity: 0.5; z-index: 1; }
.card-active { z-index: 2; border: 1px solid #3A3B40; }
.card-image { width: 100%; height: 75%; background-size: cover; background-position: center; }
.card-label {
    height: 25%; display: flex; justify-content: center; align-items: center;
    font-family: 'Fredoka', sans-serif; font-size: 2.2rem; color: var(--card-text); letter-spacing: 1px;
    text-align: center; line-height: 1.1; padding: 0 10px;
}

/* Pieczątki YUM / NOPE */
.card-overlay {
    position: absolute; top: 30px; padding: 5px 15px; border: 4px solid; border-radius: 12px;
    font-family: 'Fredoka', sans-serif; font-size: 2.5rem; font-weight: bold; opacity: 0; z-index: 10;
}
.overlay-nope { right: 25px; color: var(--btn-reject); border-color: var(--btn-reject); transform: rotate(15deg); }
.overlay-yum { left: 25px; color: var(--btn-accept); border-color: var(--btn-accept); transform: rotate(-15deg); }

.swipe-controls { display: flex; gap: 30px; margin-bottom: 20px; }
.btn-circle {
    width: 70px; height: 70px; border-radius: 50%; font-size: 2rem;
    color: white; display: flex; justify-content: center; align-items: center; padding: 0;
}
.btn-reject { background-color: var(--btn-reject); }
.btn-accept { background-color: var(--btn-accept); }

/* EKRAN 2.5 (OCZEKIWANIE) */
.waiting-container { margin: auto; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 20px;}
.spinner {
    width: 60px; height: 60px; border: 6px solid var(--card-bg);
    border-top-color: var(--brand-orange); border-radius: 50%;
    animation: spin 1s linear infinite; margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.waiting-title { font-family: 'Fredoka', sans-serif; font-size: 2rem; color: var(--text-main); }
.waiting-subtitle { font-size: 1.1rem; color: var(--text-muted); }

/* EKRAN 3: WYNIKI */
.match-header { text-align: center; margin-top: 5vh; }
.match-title { font-family: 'Fredoka', sans-serif; font-size: 2.8rem; color: var(--card-text); line-height: 1.1; }
.card-match { position: relative; width: 250px; height: 330px; margin: 20px 0; }
.match-subtitle { font-size: 1.1rem; margin-bottom: auto; text-align: center; padding: 0 20px; }
.match-actions { width: 100%; max-width: 320px; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.btn-glow {
    background: linear-gradient(135deg, var(--brand-orange), #FF6B00); color: white; width: 100%;
    box-shadow: 0 8px 25px rgba(255, 155, 38, 0.4);
}
.link-restart { color: var(--text-muted); text-decoration: underline; font-size: 0.95rem; }
.card-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* PRZYCISK ZMIANY JĘZYKA */
.lang-switch {
    position: absolute;
    top: 25px;
    right: 20px;
    z-index: 100;
}
#lang-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
#lang-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-main);
}