/* =========================================
   RESET
========================================= */

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


/* =========================================
   VARIÁVEIS DA IDENTIDADE VISUAL
========================================= */

:root {
    --color-background: rgb(11, 15, 14);

    --color-surface: rgb(21, 28, 26);

    --color-surface-elevated: rgb(34, 44, 41);

    --color-text-primary: rgb(232, 240, 236);

    --color-text-secondary: rgb(167, 180, 175);

    --color-border: rgb(48, 60, 55);

    --color-green: rgb(57, 217, 138);

    --color-blue: rgb(115, 183, 242);

    --color-orange: rgb(245, 158, 11);

    --color-warning-background: rgb(66, 45, 18);

    --color-critical: rgb(139, 132, 155);

    --color-radius: 18px;
}


/* =========================================
   BASE
========================================= */

body {
    min-height: 100vh;

    background:
        radial-gradient(
            circle at top right,
            rgba(25, 85, 65, 0.18),
            transparent 35%
        ),
        var(--color-background);

    color: var(--color-text-primary);

    font-family:
        Inter,
        "Segoe UI",
        Arial,
        sans-serif;

    line-height: 1.5;
}


/* =========================================
   CONTAINER PRINCIPAL
========================================= */

.app-container {
    width: 100%;
    max-width: 620px;

    margin: 0 auto;

    padding: 24px 20px 28px;
}


/* =========================================
   HEADER
========================================= */

.app-header {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 16px;

    padding-bottom: 8px;

    border-bottom: 1px solid var(--color-border);
}

.brand {
    display: inline-flex;

    align-items: center;

    text-decoration: none;
}

.brand-logo {
    display: block;

    width: 170px;
    height: auto;

    object-fit: contain;
}

.live-status {
    display: inline-flex;

    align-items: center;
    gap: 8px;

    padding: 7px 12px;

    border: 1px solid rgba(57, 217, 138, 0.35);

    border-radius: 999px;

    color: var(--color-green);

    font-size: 0.72rem;
    font-weight: 700;

    white-space: nowrap;
}

.live-dot {
    width: 8px;
    height: 8px;

    border-radius: 50%;

    background-color: var(--color-green);

    box-shadow: 0 0 10px rgba(57, 217, 138, 0.6);
}

.live-status.offline {
    border-color: rgba(139, 132, 155, 0.4);

    color: var(--color-critical);
}

.live-status.offline .live-dot {
    background-color: var(--color-critical);

    box-shadow: none;
}


/* =========================================
   INTRODUÇÃO
========================================= */

.intro-section {
    padding: 30px 0 24px;
}

.location {
    display: flex;

    align-items: center;
    gap: 8px;

    margin-bottom: 10px;

    color: var(--color-text-secondary);

    font-size: 1rem;
    font-weight: 600;
}

.intro-section h1 {
    max-width: 540px;

    font-size: clamp(2rem, 7vw, 2.8rem);

    font-weight: 800;

    line-height: 1.08;

    letter-spacing: -1.2px;
}

.intro-section h1 span {
    color: var(--color-green);
}

.intro-description {
    margin-top: 14px;

    color: var(--color-text-secondary);

    font-size: 1rem;
}


/* =========================================
   CARDS GERAIS
========================================= */

.card {
    width: 100%;

    padding: 24px;

    border: 1px solid var(--color-border);

    border-radius: var(--color-radius);

    background-color: var(--color-surface);
}

.card-label {
    color: var(--color-text-secondary);

    font-size: 1rem;
    font-weight: 700;
}

.card-divider {
    width: 100%;
    height: 1px;

    margin: 20px 0;

    background-color: var(--color-border);
}


/* =========================================
   CARD DE TEMPERATURA
========================================= */

.weather-card {
    margin-bottom: 20px;
}

.card-heading {
    display: flex;

    align-items: flex-start;
    justify-content: space-between;

    gap: 12px;
}

.temperature-value {
    margin-top: 12px;

    font-size: clamp(3.5rem, 15vw, 5rem);

    font-weight: 800;

    line-height: 0.95;

    letter-spacing: -2px;
}

.weather-icon {
    color: var(--color-orange);

    font-size: 4.5rem;

    line-height: 1;
}

.feels-like {
    margin-top: 20px;

    color: var(--color-text-secondary);

    font-size: 1rem;
}

.feels-like strong {
    color: var(--color-text-primary);
}

.weather-message {
    margin-top: 14px;

    color: var(--color-orange);

    font-size: 1.15rem;
    font-weight: 800;
}

.weather-condition {
    display: flex;

    align-items: center;
    gap: 10px;

    color: var(--color-text-secondary);

    font-size: 0.95rem;
}


/* =========================================
   CARD DE QUALIDADE DO AR
========================================= */

.air-card {
    margin-bottom: 28px;

    background-color: var(--color-warning-background);

    border-color: rgba(245, 158, 11, 0.65);
}

.air-card-header {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 12px;
}

.alert-badge {
    padding: 6px 11px;

    border: 1px solid rgba(245, 158, 11, 0.5);

    border-radius: 999px;

    color: var(--color-orange);

    font-size: 0.75rem;
    font-weight: 800;

    white-space: nowrap;
}

.air-message {
    margin-top: 20px;

    font-size: clamp(1.5rem, 6vw, 2rem);

    line-height: 1.15;
}

.pm-value {
    display: flex;

    align-items: baseline;
    gap: 8px;

    margin-top: 20px;

    font-size: clamp(3rem, 13vw, 4.5rem);

    font-weight: 800;

    line-height: 1;
}

.pm-value small {
    color: var(--color-text-secondary);

    font-size: 1.1rem;
    font-weight: 600;
}

.pm-description {
    margin-top: 10px;

    color: var(--color-text-secondary);

    font-size: 0.95rem;
}

.air-summary {
    display: flex;

    align-items: flex-start;
    gap: 12px;

    color: rgb(244, 217, 165);

    font-size: 0.95rem;
}


/* =========================================
   CARD DE RECOMENDAÇÃO
========================================= */

.recommendation-card {
    margin-bottom: 28px;

    border-color: rgba(57, 217, 138, 0.8);

    background:
        linear-gradient(
            145deg,
            rgba(18, 69, 51, 0.55),
            rgba(21, 28, 26, 1)
        );
}

.recommendation-heading {
    display: flex;

    align-items: center;
    gap: 12px;

    margin-bottom: 18px;
}

.recommendation-icon {
    color: var(--color-green);

    font-size: 1.8rem;
}

.recommendation-heading h2 {
    color: var(--color-green);

    font-size: 1.15rem;
    font-weight: 800;
}

.recommendation-main {
    font-size: 1.1rem;
    font-weight: 700;

    line-height: 1.5;
}

.recommendation-secondary {
    margin-top: 14px;

    color: var(--color-text-secondary);

    font-size: 0.95rem;
}


/* =========================================
   FOOTER
========================================= */

.app-footer {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 12px;

    color: var(--color-text-secondary);

    font-size: 0.78rem;
}

.app-footer p {
    display: flex;

    align-items: center;
    gap: 7px;
}

.footer-divider {
    width: 1px;
    height: 20px;

    background-color: var(--color-border);
}

.footer-dot {
    width: 8px;
    height: 8px;

    border-radius: 50%;

    background-color: var(--color-green);
}


/* =========================================
   RESPONSIVIDADE
========================================= */

@media (min-width: 768px) {

    .app-container {
        padding: 36px 28px 40px;
    }

    .intro-section {
        padding-top: 42px;
    }

    .card {
        padding: 30px;
    }

    .brand-logo {
        width: 175px;
    }

    .temperature-value {
        font-size: 5rem;
    }

    .air-message {
        font-size: 2rem;
    }

}


/* =========================================
   ACESSIBILIDADE
========================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}