/* ==========================================
   BAREVNÉ PROMĚNNÉ
   ========================================== */

:root {
    --bg-main: #1b2735;
    --bg-dark: #184457;
    --bg-box: #243447;

    --text-main: #ffffff;
    --text-muted: #b6c2d1;

    --accent-blue: #00e5ff;
    --accent-red: #ff1f1f;
    --accent-green: #22c55e;

    --footer-dark: #0b1120;
}


/* ==========================================
   ZÁKLAD STRÁNKY
   ========================================== */

body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: Arial, sans-serif;
}


/* ==========================================
   HORNÍ LIŠTA
   ========================================== */

.top-bar {
    height: 90px;
    background-color: var(--bg-dark);
    display: flex;
    align-items: center;
    padding: 0 40px;
    box-sizing: border-box;
}

.logo {
    font-size: 32px;
    letter-spacing: 2px;
    color: #e5e7eb;
}


/* ==========================================
   HLAVNÍ OBSAH
   ========================================== */

.main-content {
    min-height: calc(100vh - 150px);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    box-sizing: border-box;
}


/* ==========================================
   INDEX TLAČÍTKO
   ========================================== */

.main-button {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 28px;
    background-color: var(--accent-blue);
    color: #0f172a;
    text-decoration: none;
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0 0 18px rgba(0, 229, 255, 0.4);
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.main-button:hover {
    background-color: #7dd3fc;
    box-shadow: 0 0 25px rgba(125, 211, 252, 0.7);
}

.main-button:active {
    background-color: var(--accent-green);
    color: #0f172a;
    box-shadow:
            0 0 8px rgba(34, 197, 94, 0.8),
            0 0 20px rgba(34, 197, 94, 0.6),
            0 0 35px rgba(34, 197, 94, 0.35);
    transform: scale(0.96);
}


/* ==========================================
   METEO PANEL
   ========================================== */

.meteo-panel {
    width: 420px;
    max-width: 90%;
}


/* Kulaté weather okno */
.weather-circle {
    width: 150px;
    height: 150px;
    margin: 0 auto 30px auto;
    border-radius: 50%;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.45);
}

.weather-circle .weather-icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
}


/* Jednotlivé boxy */
.meteo-box {
    background-color: var(--bg-box);
    margin-bottom: 14px;
    padding: 16px 20px;
    border-radius: 12px;
    text-align: left;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-left 0.2s ease;
    border-left: 3px solid transparent;
}

.meteo-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 18px rgba(0, 229, 255, 0.25);
    border-left: 3px solid var(--accent-blue);
}

.meteo-box:hover strong {
    color: var(--accent-blue);
}

.meteo-box span {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.meteo-box strong {
    font-size: 18px;
    color: var(--text-main);
}


/* ==========================================
   METEO TLAČÍTKO
   ========================================== */

.refresh-button {
    display: inline-block;
    margin-top: 18px;
    padding: 12px 24px;
    background-color: var(--accent-blue);
    color: #0f172a;
    text-decoration: none;
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.refresh-button:hover {
    background-color: #7dd3fc;
    box-shadow: 0 0 25px rgba(125, 211, 252, 0.7);
}

.refresh-button:active {
    background-color: var(--accent-red);
    color: #0f172a;
    box-shadow:
            0 0 8px rgba(255, 31, 31, 0.75),
            0 0 20px rgba(255, 31, 31, 0.55),
            0 0 35px rgba(255, 31, 31, 0.35);
    transform: scale(0.96);
}


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

.footer {
    height: 60px;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #cbd5e1;
    font-size: 14px;
}


/* ==========================================
   RESPONSIVITA
   ========================================== */

@media (max-width: 600px) {

    .top-bar {
        height: 70px;
        padding: 0 20px;
        justify-content: center;
        text-align: center;
    }

    .logo {
        font-size: 22px;
        letter-spacing: 1px;
    }

    .main-content {
        min-height: calc(100vh - 130px);
        padding: 30px 16px;
        box-sizing: border-box;
    }

    .main-button {
        padding: 12px 22px;
        font-size: 14px;
    }

    .weather-circle {
        width: 120px;
        height: 120px;
        margin-bottom: 24px;
    }

    .weather-circle .weather-icon {
        width: 100px;
        height: 100px;
    }

    .meteo-box {
        padding: 14px 16px;
    }

    .meteo-box strong {
        font-size: 16px;
    }

    .footer {
        height: 60px;
        font-size: 12px;
        text-align: center;
        padding: 0 15px;
        box-sizing: border-box;
    }
}