:root {
    --primary: #20f08b;
    --bg-deep: #05070a;
    --card-glass: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: #94a3b8;
    --grad-insta: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2397 75%, #bc1888 100%);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    margin: 0; padding: 20px;
    display: flex; justify-content: center; min-height: 100vh;
    background-image: radial-gradient(circle at 50% 0%, #1a2e26 0%, var(--bg-deep) 70%);
    overflow-x: hidden;
}

.container { width: 100%; max-width: 440px; }

header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.logo { font-weight: 800; font-size: 24px; text-transform: uppercase; letter-spacing: -1px; }
.logo span { color: var(--primary); }

.flags-capsule { display: flex; gap: 10px; background: rgba(255,255,255,0.07); padding: 8px 15px; border-radius: 30px; border: 1px solid var(--card-border); }
.flag-btn { font-size: 18px; cursor: pointer; filter: grayscale(100%); opacity: 0.4; background: none; border: none; transition: 0.3s; color: #fff; }
.flag-btn.active { filter: grayscale(0%); opacity: 1; transform: scale(1.2); }

.card { background: var(--card-glass); backdrop-filter: blur(20px); border-radius: 24px; padding: 24px; border: 1px solid var(--card-border); margin-bottom: 16px; transition: 0.3s; }
.card.interactive:active { transform: scale(0.96); background: rgba(255,255,255,0.08); }

.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.icon { font-size: 28px; display: block; margin-bottom: 8px; }
.card h3 { margin: 0; font-size: 14px; font-weight: 700; }
.card-desc { font-size: 11px; color: var(--text-dim); margin: 4px 0 0; }

.insta-cta { background: var(--grad-insta); border: none; text-align: center; padding: 16px; margin-top: 8px; }
.insta-cta span { font-weight: 600; font-size: 14px; }
.insta-link-card { text-decoration: none; color: inherit; }

.view-section { display: none; }
.view-section.active { display: block; animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

label { display: block; font-size: 11px; font-weight: 700; color: var(--text-dim); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
input, select { width: 100%; background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); color: #fff; padding: 14px; border-radius: 12px; font-size: 16px; margin-bottom: 16px; box-sizing: border-box; outline: none; transition: 0.3s; }
input:focus { border-color: var(--primary); background: rgba(255,255,255,0.1); }

.input-row { display: flex; gap: 12px; }
.input-group { flex: 1; }

.toggle-group { display: flex; gap: 8px; margin-bottom: 16px; }
.toggle-btn { flex: 1; padding: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); color: var(--text-dim); text-align: center; border-radius: 12px; cursor: pointer; font-size: 14px; font-weight: 600; }
.toggle-btn.active { background: var(--primary); color: #000; font-weight: 800; border-color: var(--primary); }

.btn-main { width: 100%; background: var(--primary); color: #000; padding: 18px; border: none; border-radius: 16px; font-size: 16px; font-weight: 800; cursor: pointer; text-transform: uppercase; margin-top: 10px; }
.pulse:active { transform: scale(0.98); }

/* Results */
.target-container { text-align: center; padding: 20px 0; }
.target-label { font-size: 12px; font-weight: 800; color: var(--primary); letter-spacing: 2px; margin-bottom: 4px; }
.target-container h1 { font-size: 64px; margin: 0; font-weight: 800; letter-spacing: -2px; }
.kcal-unit { font-size: 14px; color: var(--text-dim); margin: 0; text-transform: uppercase; font-weight: 600; }

.logic-breakdown { display: flex; align-items: center; justify-content: center; gap: 24px; padding: 12px; background: rgba(255,255,255,0.03); border-radius: 16px; margin-bottom: 16px; }
.logic-divider { width: 1px; height: 30px; background: var(--card-border); }
.logic-lab { font-size: 10px; color: var(--text-dim); font-weight: 700; text-transform: uppercase; display: block; }
.logic-val { font-size: 18px; font-weight: 700; }

.chart-container { position: relative; max-width: 180px; margin: 0 auto 24px; }
.chart-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
#chart-kcal-sum { font-size: 20px; font-weight: 800; display: block; }
.chart-center small { font-size: 9px; color: var(--text-dim); text-transform: uppercase; font-weight: 700; }

.macro-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.macro-item { padding: 12px; background: rgba(255,255,255,0.03); border-radius: 14px; text-align: center; border-bottom: 3px solid #333; }
.macro-item.prot { border-color: #3b82f6; }
.macro-item.fat { border-color: #fbbf24; }
.macro-item.carb { border-color: #f97316; }
.macro-val { font-size: 16px; font-weight: 800; display: block; }
.macro-lab { font-size: 10px; color: var(--text-dim); font-weight: 700; text-transform: uppercase; }

.action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.btn-action { padding: 14px; border-radius: 14px; border: none; font-weight: 700; font-size: 13px; cursor: pointer; color: #fff; }
.btn-action.insta { background: var(--grad-insta); }
.btn-action.share { background: rgba(255,255,255,0.1); }

.insta-watermark { margin-top: 20px; font-size: 12px; font-weight: 800; color: var(--primary); opacity: 0.8; text-align: center; }

/* Overlay */
#screenshot-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.95); z-index: 1000; flex-direction: column; justify-content: center; align-items: center; padding: 20px; box-sizing: border-box; }
#screenshot-overlay img { max-width: 100%; border-radius: 20px; box-shadow: 0 0 30px rgba(32, 240, 139, 0.3); }

.back-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; margin-bottom: 12px; font-weight: 700; font-size: 14px; }
.custom-input-box { border: 1px dashed var(--primary); padding: 12px; border-radius: 12px; margin-bottom: 16px; animation: slideIn 0.3s ease-out; }
@keyframes slideIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }