/* ============================================================
   RESET & BASE
============================================================ */

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

/* ============================================================
   TOKENS
============================================================ */

:root {
    --accent:          #7c4dff;
    --accent-glow:     rgba(124, 77, 255, 0.22);
    --accent-border:   rgba(124, 77, 255, 0.30);
    --accent-hover:    rgba(124, 77, 255, 0.10);
    --accent-label:    #b49aff;

    --bg-page:         #07030f;
    --bg-card:         rgba(14, 9, 26, 0.90);
    --bg-item:         rgba(255, 255, 255, 0.028);
    --bg-item-hover:   rgba(124, 77, 255, 0.07);

    --border-card:     rgba(124, 77, 255, 0.28);
    --border-item:     rgba(255, 255, 255, 0.055);
    --border-item-hov: rgba(124, 77, 255, 0.20);

    --text-primary:    #edeaf7;
    --text-secondary:  #8e87aa;
    --text-back:       #6a6285;

    --radius-card:     26px;
    --radius-flag:     18px;
    --radius-item:     14px;

    --transition:      0.28s ease;
}

/* ============================================================
   BODY — fundo com gradientes radiais sutis
============================================================ */

body {
    min-height: 100vh;
    background:
        radial-gradient(ellipse 60% 50% at 85% 5%,  rgba(90, 30, 230, 0.13) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 10% 95%, rgba(70, 20, 180, 0.10) 0%, transparent 55%),
        var(--bg-page);

    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.5;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 40px 20px;
}

/* ============================================================
   LINK VOLTAR
============================================================ */

.back-link {
    width: 100%;
    max-width: 960px;
    margin-bottom: 20px;
}

.back-link a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--text-back);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 6px 0;
    transition: color var(--transition);
}

.back-link a::before {
    content: '←';
    font-size: 15px;
    transition: transform var(--transition);
}

.back-link a:hover {
    color: var(--accent-label);
}

.back-link a:hover::before {
    transform: translateX(-3px);
}

/* ============================================================
   CARD PRINCIPAL
============================================================ */

.country-box {
    width: 100%;
    max-width: 960px;

    display: flex;
    align-items: center;
    gap: 52px;

    padding: 44px 48px;

    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(0, 0, 0, 0.4),
        0 0 40px var(--accent-glow),
        0 16px 64px rgba(0, 0, 0, 0.6);

    transition: transform var(--transition), box-shadow var(--transition);
}

.country-box:hover {
    transform: translateY(-5px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 0 1px rgba(0, 0, 0, 0.4),
        0 0 55px rgba(124, 77, 255, 0.32),
        0 20px 72px rgba(0, 0, 0, 0.65);
}

/* ============================================================
   BANDEIRA
============================================================ */

.flag-box {
    flex: 0 0 auto;
    width: 330px;
}

.flag-img {
    width: 100%;
    display: block;
    border-radius: var(--radius-flag);
    border: 1px solid rgba(160, 130, 255, 0.30);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.35),
        0 0 28px rgba(124, 77, 255, 0.25),
        0 8px 32px rgba(0, 0, 0, 0.50);
    transition: transform var(--transition), box-shadow var(--transition);
}

.flag-img:hover {
    transform: scale(1.025);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.35),
        0 0 40px rgba(124, 77, 255, 0.38),
        0 10px 40px rgba(0, 0, 0, 0.55);
}

/* ============================================================
   ÁREA DE INFORMAÇÕES
============================================================ */

.info-box {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* nome do país */

.info-box h1 {
    font-size: clamp(28px, 3.6vw, 52px);
    font-weight: 800;
    letter-spacing: -0.6px;
    line-height: 1.08;
    margin-bottom: 10px;

    background: linear-gradient(118deg, #ffffff 20%, var(--accent-label) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   ITENS DE DADOS (capital / população)
============================================================ */

.info-item {
    padding: 16px 20px;
    border-radius: var(--radius-item);
    background: var(--bg-item);
    border: 1px solid var(--border-item);
    transition: background var(--transition), border-color var(--transition);
}

.info-item:hover {
    background: var(--bg-item-hover);
    border-color: var(--border-item-hov);
}

.info-item strong {
    display: block;
    color: var(--accent-label);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    margin-bottom: 5px;
}

.info-item span {
    display: block;
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

/* ============================================================
   BADGE DE RODAPÉ (opcional — exibe "Fonte: REST Countries")
============================================================ */

.source-badge {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.55;
    letter-spacing: 0.3px;
    transition: opacity var(--transition);
}

.source-badge:hover { opacity: 0.85; }

.source-badge::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.6;
}

/* ============================================================
   RESPONSIVO — tablet  (≤ 860px)
============================================================ */

@media (max-width: 860px) {
    body {
        padding: 32px 16px;
        justify-content: flex-start;
    }

    .country-box {
        flex-direction: column;
        gap: 32px;
        padding: 32px 28px;
        text-align: center;
    }

    .flag-box {
        width: 100%;
        max-width: 400px;
    }

    .info-box {
        width: 100%;
    }

    .info-box h1 {
        font-size: clamp(26px, 7vw, 44px);
        margin-bottom: 6px;
    }
}

/* ============================================================
   RESPONSIVO — mobile  (≤ 480px)
============================================================ */

@media (max-width: 480px) {
    body {
        padding: 24px 12px;
    }

    .country-box {
        padding: 24px 20px;
        border-radius: 20px;
        gap: 24px;
    }

    .flag-box {
        max-width: 300px;
    }

    .info-item {
        padding: 13px 16px;
    }

    .info-item span {
        font-size: 18px;
    }

    .back-link {
        margin-bottom: 14px;
    }
}

/* ============================================================
   RESPONSIVO — telas muito pequenas (≤ 340px)
============================================================ */

@media (max-width: 340px) {
    .country-box {
        padding: 18px 14px;
        border-radius: 16px;
    }

    .info-box h1 {
        font-size: 22px;
    }
}


/* ============================================================
   HOME
============================================================ */

.home-wrap {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
}

/* cabeçalho da home */

.home-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.home-eyebrow {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-label);
    opacity: 0.75;
}

.home-title {
    font-size: clamp(32px, 6vw, 54px);
    font-weight: 800;
    letter-spacing: -0.8px;
    line-height: 1.08;
    background: linear-gradient(118deg, #ffffff 20%, var(--accent-label) 85%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.6;
}

/* card do select */

.search-box {
    width: 100%;
    padding: 32px 36px;
    background: rgba(14, 9, 26, 0.90);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(0, 0, 0, 0.4),
        0 0 36px var(--accent-glow),
        0 12px 48px rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-label {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--accent-label);
}

/* wrapper do select com seta customizada */

.select-wrap {
    position: relative;
}

.country-select {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(124, 77, 255, 0.25);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    font-family: inherit;
    padding: 14px 44px 14px 16px;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.country-select:hover {
    border-color: rgba(124, 77, 255, 0.45);
    background: rgba(124, 77, 255, 0.06);
}

.country-select:focus {
    border-color: var(--accent);
    background: rgba(124, 77, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.18);
}

.country-select option {
    background: #140d2a;
    color: var(--text-primary);
}

/* seta customizada */

.select-arrow {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--accent-label);
    opacity: 0.7;
    pointer-events: none;
    line-height: 1;
}

/* hint de contagem */

.search-hint {
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.45;
    text-align: right;
    letter-spacing: 0.2px;
}

/* ============================================================
   HOME — RESPONSIVO
============================================================ */

@media (max-width: 520px) {
    .home-wrap {
        gap: 28px;
    }

    .search-box {
        padding: 24px 22px;
    }

    .home-title {
        font-size: 36px;
    }
}

@media (max-width: 340px) {
    .search-box {
        padding: 18px 16px;
        border-radius: 18px;
    }
}