:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;

    --text: #111827;
    --text-soft: #6b7280;
    --text-muted: #9ca3af;

    --border: #e5e7eb;

    --primary: #2563eb;
    --primary-dark: #1d4ed8;

    --shadow:
        0 10px 35px rgba(15, 23, 42, 0.06);

    --radius: 24px;
}


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


body {
    font-family: "Inter", sans-serif;

    background:
        radial-gradient(
            circle at top right,
            rgba(37, 99, 235, 0.08),
            transparent 30%
        ),
        var(--bg);

    color: var(--text);

    min-height: 100vh;
}


button,
input {
    font: inherit;
}


button {
    cursor: pointer;
    border: none;
}


.app {
    width: min(1180px, 92%);
    margin: auto;
    padding: 35px 0 30px;
}


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

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 35px;
}


.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}


.logo-icon {
    width: 48px;
    height: 48px;

    border-radius: 15px;

    display: grid;
    place-items: center;

    background: #111827;
    color: white;

    font-size: 20px;
}


.logo h1 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}


.logo span {
    color: var(--text-muted);
    font-size: 11px;
}


.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}


.unit-toggle {
    display: flex;
    align-items: center;

    padding: 4px;

    background: var(--surface);

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

    border-radius: 12px;
}


.unit-toggle span {
    padding: 7px 10px;

    color: var(--text-muted);

    border-radius: 8px;

    font-size: 13px;
    font-weight: 600;
}


.unit-toggle .active {
    background: #111827;
    color: white;
}


.icon-button {
    width: 40px;
    height: 40px;

    background: var(--surface);

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

    border-radius: 12px;

    color: var(--text);
}


/* ================= SEARCH ================= */

.search-section {
    position: relative;

    display: flex;
    gap: 12px;

    margin-bottom: 30px;
}


.search-box {
    flex: 1;

    display: flex;
    align-items: center;

    height: 58px;

    background: var(--surface);

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

    border-radius: 16px;

    padding-left: 18px;

    box-shadow: var(--shadow);
}


.search-box > i {
    color: var(--text-muted);
}


.search-box input {
    flex: 1;

    height: 100%;

    border: none;
    outline: none;

    background: transparent;

    padding: 0 14px;

    color: var(--text);
}


.search-box button {
    height: 44px;

    padding: 0 22px;

    margin-right: 7px;

    border-radius: 11px;

    background: #111827;

    color: white;

    font-weight: 600;
}


.search-box button:hover {
    background: #000;
}


.location-button {
    display: flex;
    align-items: center;
    gap: 8px;

    padding: 0 18px;

    border-radius: 15px;

    background: var(--surface);

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

    color: var(--text);

    font-weight: 600;

    white-space: nowrap;
}


.search-results {
    position: absolute;

    top: 66px;
    left: 0;

    width: calc(100% - 150px);

    z-index: 10;

    display: none;

    background: white;

    border-radius: 15px;

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

    box-shadow: var(--shadow);

    overflow: hidden;
}


.search-result {
    padding: 14px 18px;

    cursor: pointer;

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


.search-result:hover {
    background: var(--surface-soft);
}


/* ================= CURRENT WEATHER ================= */

.current-weather {
    background: var(--surface);

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

    border-radius: var(--radius);

    padding: 32px;

    box-shadow: var(--shadow);

    margin-bottom: 18px;
}


.current-location {
    display: flex;

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


.location-name {
    display: flex;
    align-items: center;
    gap: 12px;
}


.location-pin {
    width: 42px;
    height: 42px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: #eff6ff;

    color: var(--primary);
}


.location-name h2 {
    font-size: 19px;
}


.location-name p {
    margin-top: 2px;

    color: var(--text-muted);

    font-size: 13px;
}


.date-info {
    text-align: right;
}


.date-info p {
    font-size: 13px;
    color: var(--text-soft);
}


.date-info span {
    display: block;

    margin-top: 4px;

    font-size: 12px;

    color: var(--text-muted);
}


.hero-weather {
    display: flex;

    align-items: center;

    gap: 22px;

    padding-top: 45px;
}


.weather-icon {
    font-size: 82px;
}


.temperature {
    display: flex;

    align-items: flex-start;

    font-size: 105px;

    line-height: 0.9;

    font-weight: 800;

    letter-spacing: -8px;
}


.temperature sup {
    font-size: 40px;

    margin-top: 8px;

    letter-spacing: 0;
}


.weather-description {
    margin-left: 5px;
}


.weather-description h3 {
    font-size: 20px;

    margin-bottom: 7px;
}


.weather-description p {
    color: var(--text-soft);

    font-size: 14px;
}


/* ================= STATS ================= */

.stats-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 18px;

    margin-bottom: 35px;
}


.stat-card {
    display: flex;

    align-items: center;

    gap: 13px;

    padding: 20px;

    background: var(--surface);

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

    border-radius: 18px;

    box-shadow: var(--shadow);
}


.stat-icon {
    width: 42px;
    height: 42px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: var(--surface-soft);

    color: var(--primary);
}


.stat-card span {
    display: block;

    font-size: 12px;

    color: var(--text-muted);

    margin-bottom: 4px;
}


.stat-card strong {
    font-size: 16px;
}


/* ================= SECTIONS ================= */

.weather-section {
    margin-bottom: 35px;
}


.section-heading {
    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 18px;
}


.section-label {
    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.5px;

    color: var(--primary);
}


.section-heading h2 {
    font-size: 21px;

    margin-top: 4px;
}


.today-button {
    display: flex;

    align-items: center;

    gap: 8px;

    padding: 10px 13px;

    background: var(--surface);

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

    border-radius: 10px;

    color: var(--text);

    font-size: 12px;
}


/* ================= HOURLY ================= */

.hourly-container {
    display: grid;

    grid-template-columns:
        repeat(6, 1fr);

    gap: 12px;
}


.hour-card {
    text-align: center;

    padding: 18px 10px;

    background: var(--surface);

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

    border-radius: 17px;

    transition: 0.25s;
}


.hour-card:hover {
    transform: translateY(-3px);

    box-shadow: var(--shadow);
}


.hour-card.active {
    background: #111827;

    color: white;

    border-color: #111827;
}


.hour-card span {
    display: block;

    font-size: 11px;

    color: var(--text-muted);

    margin-bottom: 13px;
}


.hour-card.active span {
    color: #9ca3af;
}


.hour-icon {
    font-size: 28px;

    margin-bottom: 13px;
}


.hour-temp {
    font-size: 15px;

    font-weight: 700;
}


/* ================= DAILY ================= */

.daily-forecast {
    background: var(--surface);

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

    border-radius: 20px;

    overflow: hidden;

    box-shadow: var(--shadow);
}


.day-row {
    display: grid;

    grid-template-columns:
        1fr 80px 100px 130px;

    align-items: center;

    padding: 18px 22px;

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


.day-row:last-child {
    border-bottom: none;
}


.day-name {
    font-weight: 600;

    font-size: 14px;
}


.day-date {
    color: var(--text-muted);

    font-size: 11px;

    margin-top: 3px;
}


.day-icon {
    font-size: 24px;
}


.day-condition {
    color: var(--text-soft);

    font-size: 12px;
}


.day-temp {
    text-align: right;

    font-weight: 700;
}


/* ================= SUN ================= */

.sun-card {
    display: grid;

    grid-template-columns:
        150px 1fr 150px;

    align-items: center;

    gap: 25px;

    background: var(--surface);

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

    border-radius: 20px;

    padding: 24px;

    box-shadow: var(--shadow);
}


.sun-item {
    display: flex;

    align-items: center;

    gap: 12px;
}


.sun-icon {
    width: 42px;
    height: 42px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: #fff7ed;

    color: #f59e0b;
}


.sun-icon.sunset {
    background: #f5f3ff;

    color: #7c3aed;
}


.sun-item span {
    display: block;

    color: var(--text-muted);

    font-size: 11px;

    margin-bottom: 3px;
}


.sun-item strong {
    font-size: 14px;
}


.sun-line {
    height: 5px;

    border-radius: 20px;

    background:
        linear-gradient(
            90deg,
            #f59e0b,
            #fde68a,
            #c4b5fd,
            #7c3aed
        );

    position: relative;
}


.sun-position {
    position: absolute;

    width: 13px;
    height: 13px;

    background: white;

    border: 3px solid #f59e0b;

    border-radius: 50%;

    top: 50%;
    left: 45%;

    transform: translate(-50%, -50%);
}


.sun-labels {
    display: flex;

    justify-content: space-between;

    margin-top: 7px;

    font-size: 9px;

    color: var(--text-muted);
}


/* ================= LOADING ================= */

.loading {
    display: none;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    padding: 70px;
}


.spinner {
    width: 38px;
    height: 38px;

    border: 4px solid #e5e7eb;

    border-top-color: #111827;

    border-radius: 50%;

    animation: spin 0.8s linear infinite;

    margin-bottom: 12px;
}


@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}


/* ================= ERROR ================= */

.error-message {
    display: none;

    align-items: center;

    gap: 10px;

    padding: 15px;

    margin-bottom: 20px;

    background: #fef2f2;

    color: #b91c1c;

    border-radius: 13px;

    font-size: 13px;
}


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

footer {
    display: flex;

    justify-content: space-between;

    margin-top: 40px;

    color: var(--text-muted);

    font-size: 11px;
}


/* ================= DARK MODE ================= */

body.dark {
    --bg: #0b1120;

    --surface: #111827;

    --surface-soft: #172033;

    --text: #f9fafb;

    --text-soft: #9ca3af;

    --text-muted: #6b7280;

    --border: #1f2937;

    --shadow:
        0 10px 35px rgba(0, 0, 0, 0.2);
}


body.dark .logo-icon,
body.dark .search-box button,
body.dark .unit-toggle .active,
body.dark .hour-card.active {
    background: white;

    color: #111827;
}


body.dark .search-results {
    background: var(--surface);
}


body.dark .location-pin {
    background: #172554;
}


body.dark .error-message {
    background: #3f1616;
}


/* ================= MOBILE ================= */

@media (max-width: 800px) {

    .app {
        width: 94%;

        padding-top: 20px;
    }


    .header {
        margin-bottom: 25px;
    }


    .search-section {
        flex-direction: column;
    }


    .location-button {
        height: 48px;

        justify-content: center;
    }


    .search-results {
        width: 100%;
    }


    .stats-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }


    .hourly-container {
        display: flex;

        overflow-x: auto;

        padding-bottom: 5px;
    }


    .hour-card {
        min-width: 90px;
    }


    .day-row {
        grid-template-columns:
            1fr 45px 90px;

        gap: 10px;
    }


    .day-condition {
        display: none;
    }


    .sun-card {
        grid-template-columns: 1fr;

        gap: 20px;
    }

}


@media (max-width: 520px) {

    .header {
        align-items: flex-start;
    }


    .logo-icon {
        width: 42px;
        height: 42px;
    }


    .header-actions {
        gap: 5px;
    }


    .unit-toggle span {
        padding: 6px 8px;
    }


    .icon-button {
        width: 36px;
        height: 36px;
    }


    .search-box {
        height: 52px;
    }


    .search-box button {
        padding: 0 14px;
    }


    .current-weather {
        padding: 22px;

        border-radius: 20px;
    }


    .current-location {
        align-items: flex-start;
    }


    .date-info {
        display: none;
    }


    .hero-weather {
        padding-top: 35px;

        gap: 12px;

        flex-wrap: wrap;
    }


    .weather-icon {
        font-size: 58px;
    }


    .temperature {
        font-size: 75px;

        letter-spacing: -6px;
    }


    .temperature sup {
        font-size: 30px;
    }


    .weather-description {
        width: 100%;

        margin-top: 5px;
    }


    .stats-grid {
        gap: 10px;
    }


    .stat-card {
        padding: 15px;

        gap: 10px;
    }


    .stat-icon {
        width: 36px;
        height: 36px;
    }


    .section-heading h2 {
        font-size: 18px;
    }


    .day-row {
        padding: 16px;
    }


    footer {
        flex-direction: column;

        gap: 7px;

        text-align: center;
    }

}