@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

.lang-toggle {
    position: fixed; top: 16px; right: 16px; z-index: 100;
    display: flex; gap: 4px; background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px); padding: 4px; border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.lang-btn {
    border: none; background: transparent; padding: 6px 12px;
    border-radius: 8px; cursor: pointer; font-size: 0.85rem;
    font-weight: 500; font-family: 'Poppins', sans-serif; color: #4B4237;
    transition: all 0.2s;
}
.lang-btn.active { background: #FB923C; color: white; }
.lang-btn:hover:not(.active) { background: #FFF7ED; color: #FB923C; }

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #FFF7ED;
    min-height: 100vh;
    padding: 1.5rem;
    color: #4B4237;
    font-weight: 400;
}

.container { max-width: 620px; margin: 0 auto; }

h1 {
    text-align: center; font-size: 2rem; font-weight: 700;
    margin-bottom: 0.4rem; color: #FB923C;
}

.subtitle {
    text-align: center; color: #4B4237; margin-bottom: 2rem;
    font-size: 0.9rem; font-weight: 300;
}

.card {
    background: #FFFFFF; border-radius: 24px; padding: 2.2rem;
    margin-bottom: 1.6rem;
    box-shadow: 0 6px 30px rgba(0,0,0,0.04), 0 2px 6px rgba(0,0,0,0.02);
    transition: box-shadow 0.3s ease;
}
.card:hover {
    box-shadow: 0 8px 40px rgba(0,0,0,0.06), 0 3px 10px rgba(0,0,0,0.03);
}
.card h2 { font-size: 1.15rem; font-weight: 600; margin-bottom: 1.2rem; color: #4B4237; }

label { display: block; font-size: 0.82rem; font-weight: 500; margin-bottom: 0.35rem; color: #4B4237; }

input, select {
    width: 100%; padding: 0.75rem 1rem; border: 1.5px solid #D1D5DB;
    border-radius: 14px; font-size: 1rem; font-family: 'Poppins', sans-serif;
    margin-bottom: 1rem; color: #4B4237; background: #fff;
    transition: border-color 0.25s, box-shadow 0.25s;
}
input:focus, select:focus {
    outline: none; border-color: #FB923C;
    box-shadow: 0 0 0 3px rgba(251,146,60,0.12);
}

.row { display: flex; gap: 1rem; }
.row > div { flex: 1; }

/* Paw Slider */
.slider-container { margin: 1.2rem 0; }
.slider-container input[type="range"] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 8px;
    border-radius: 4px; background: linear-gradient(to right, #34D399, #FB923C);
    outline: none; border: none; margin: 0.6rem 0; padding: 0;
}
.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 32px; height: 32px; border-radius: 50%;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cellipse cx='20' cy='12' rx='8' ry='9' fill='%23FB923C'/%3E%3Cellipse cx='44' cy='12' rx='8' ry='9' fill='%23FB923C'/%3E%3Cellipse cx='32' cy='38' rx='18' ry='16' fill='%23FB923C'/%3E%3Cellipse cx='22' cy='54' rx='6' ry='5' fill='%23FB923C'/%3E%3Cellipse cx='42' cy='54' rx='6' ry='5' fill='%23FB923C'/%3E%3C/svg%3E") center/20px 20px no-repeat;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15); cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2); box-shadow: 0 4px 14px rgba(0,0,0,0.22);
}
.slider-container input[type="range"]::-moz-range-thumb {
    width: 32px; height: 32px; border-radius: 50%; border: none;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cellipse cx='20' cy='12' rx='8' ry='9' fill='%23FB923C'/%3E%3Cellipse cx='44' cy='12' rx='8' ry='9' fill='%23FB923C'/%3E%3Cellipse cx='32' cy='38' rx='18' ry='16' fill='%23FB923C'/%3E%3Cellipse cx='22' cy='54' rx='6' ry='5' fill='%23FB923C'/%3E%3Cellipse cx='42' cy='54' rx='6' ry='5' fill='%23FB923C'/%3E%3C/svg%3E") center/20px 20px no-repeat;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15); cursor: pointer;
}
.slider-labels { display: flex; justify-content: space-between; font-size: 0.78rem; color: #4B4237; font-weight: 400; }
.slider-value { text-align: center; font-weight: 600; font-size: 0.95rem; color: #4B4237; }

/* Results */
.results { display: flex; gap: 1rem; margin-top: 1.2rem; }
.result-box {
    flex: 1; text-align: center; padding: 1.8rem 1rem; border-radius: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.result-box:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.result-box.wet { background: #ECFDF5; border: 1.5px solid #34D399; }
.result-box.dry { background: #FFF7ED; border: 1.5px solid #FB923C; }
.result-box .amount { font-size: 2.2rem; font-weight: 700; color: #34D399; transition: opacity 0.3s, transform 0.3s; }
.result-box.dry .amount { color: #FB923C; }
.result-box .amount.animating { animation: slideUp 0.4s ease-out; }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.result-box .label { font-size: 0.78rem; color: #4B4237; margin-top: 0.4rem; font-weight: 400; }
.calorie-info { text-align: center; font-size: 0.85rem; color: #4B4237; margin-top: 1rem; font-weight: 400; }

/* Profiles */
.profiles-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.profile-chip {
    padding: 0.45rem 0.9rem; border-radius: 22px; background: #FFF7ED;
    font-size: 0.85rem; font-weight: 500; cursor: pointer;
    border: 1.5px solid transparent; transition: all 0.25s;
    display: flex; align-items: center; gap: 0.4rem; color: #4B4237;
}
.profile-chip:hover { background: #FED7AA; border-color: #FDBA74; }
.profile-chip.active { background: #FED7AA; border-color: #FB923C; color: #4B4237; font-weight: 600; }
.profile-chip .delete-btn {
    font-size: 0.72rem; color: #9c8b7a; cursor: pointer; margin-left: 0.2rem;
    transition: all 0.25s; border-radius: 10px; padding: 0.1rem 0.3rem;
}
.profile-chip .delete-btn:hover { color: #e74c3c; background: rgba(231,76,60,0.08); }
.profile-chip .delete-btn.confirming {
    background: #e74c3c; color: #fff; padding: 0.15rem 0.5rem;
    font-size: 0.68rem; border-radius: 8px;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem; border: none; border-radius: 14px;
    font-size: 0.85rem; font-weight: 600; font-family: 'Poppins', sans-serif;
    cursor: pointer; transition: all 0.25s; color: #4B4237;
}
.btn-primary { background: #FB923C; color: #fff; }
.btn-primary:hover { background: #ea7c2a; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(251,146,60,0.4); }
.btn-secondary { background: #FFF7ED; color: #4B4237; border: 1px solid #D1D5DB; }
.btn-secondary:hover { background: #FED7AA; transform: translateY(-1px); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.78rem; border-radius: 10px; }

.disclaimer { text-align: center; font-size: 0.72rem; color: #7a6e62; margin-top: 2rem; line-height: 1.5; font-weight: 300; }

/* Choice buttons */
.choice-group { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.choice-btn {
    padding: 0.55rem 1rem; border-radius: 22px; border: 1.5px solid #D1D5DB;
    background: #fff; font-size: 0.82rem; font-family: 'Poppins', sans-serif;
    cursor: pointer; transition: all 0.25s; font-weight: 500; color: #4B4237;
}
.choice-btn:hover { border-color: #FDBA74; background: #FFF7ED; transform: translateY(-1px); }
.choice-btn.active {
    border-color: #FB923C; background: #FED7AA; color: #4B4237;
    font-weight: 600; box-shadow: 0 2px 8px rgba(251,146,60,0.2);
}

/* Unit toggle */
.unit-toggle { display: flex; gap: 0.4rem; margin-bottom: 0.5rem; }
.unit-btn {
    padding: 0.25rem 0.7rem; border-radius: 14px; border: 1px solid #D1D5DB;
    background: #fff; font-size: 0.72rem; font-family: 'Poppins', sans-serif;
    cursor: pointer; transition: all 0.25s; color: #4B4237; font-weight: 400;
}
.unit-btn:hover { border-color: #FDBA74; }
.unit-btn.active { border-color: #FB923C; background: #FED7AA; color: #4B4237; font-weight: 600; }

/* Food sections */
.food-section {
    margin-bottom: 1.2rem; padding: 1.2rem; background: #fffcf9;
    border-radius: 16px; border: 1px solid #f0e8e0; transition: border-color 0.25s;
}
.food-section:hover { border-color: #e8e0d8; }
.food-section:last-child { margin-bottom: 0; }
.food-section h3 { font-size: 0.95rem; font-weight: 600; color: #4B4237; margin-bottom: 0.8rem; }

/* Responsive */
@media (max-width: 500px) {
    body { padding: 0.8rem; }
    .row { flex-direction: column; gap: 0; }
    .results { flex-direction: column; }
    .choice-group { gap: 0.4rem; }
    .choice-btn { font-size: 0.78rem; padding: 0.45rem 0.8rem; }
    h1 { font-size: 1.6rem; }
    .card { padding: 1.4rem; border-radius: 18px; }
    input, select { font-size: 1rem; padding: 0.75rem 0.9rem; }
    .result-box .amount { font-size: 1.8rem; }
}