/* ==============================================
   Weather App — styles.css
   Includes original glassmorphism design +
   dark/light theme toggle support
   ============================================== */

/* ── CSS Variables (Light Theme) ─────────────── */
:root,
[data-theme="light"] {
  --bg-gradient-1: #74b9ff;
  --bg-gradient-2: #a29bfe;
  --bg-gradient-3: #fd79a8;
  --card-bg: rgba(255, 255, 255, 0.15);
  --card-border: rgba(255, 255, 255, 0.35);
  --card-shadow: 0 8px 32px rgba(31, 38, 135, 0.25);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.85);
  --text-muted: rgba(255, 255, 255, 0.65);
  --input-bg: rgba(255, 255, 255, 0.25);
  --input-border: rgba(255, 255, 255, 0.5);
  --input-text: #ffffff;
  --input-placeholder: rgba(255, 255, 255, 0.7);
  --btn-bg: rgba(255, 255, 255, 0.25);
  --btn-hover: rgba(255, 255, 255, 0.4);
  --extra-info-bg: rgba(255, 255, 255, 0.1);
  --footer-color: rgba(255, 255, 255, 0.7);
  --toggle-btn-bg: rgba(255, 255, 255, 0.2);
  --toggle-btn-hover: rgba(255, 255, 255, 0.35);
  --toggle-btn-color: #ffffff;
}

/* ── CSS Variables (Dark Theme) ──────────────── */
[data-theme="dark"] {
  --bg-gradient-1: #0f2027;
  --bg-gradient-2: #203a43;
  --bg-gradient-3: #2c5364;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --text-primary: #e0f7fa;
  --text-secondary: rgba(224, 247, 250, 0.85);
  --text-muted: rgba(224, 247, 250, 0.55);
  --input-bg: rgba(255, 255, 255, 0.08);
  --input-border: rgba(255, 255, 255, 0.15);
  --input-text: #e0f7fa;
  --input-placeholder: rgba(224, 247, 250, 0.45);
  --btn-bg: rgba(255, 255, 255, 0.1);
  --btn-hover: rgba(255, 255, 255, 0.18);
  --extra-info-bg: rgba(255, 255, 255, 0.05);
  --footer-color: rgba(224, 247, 250, 0.45);
  --toggle-btn-bg: rgba(255, 255, 255, 0.1);
  --toggle-btn-hover: rgba(255, 255, 255, 0.18);
  --toggle-btn-color: #ffd54f;
}

/* ── Base & Reset ─────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    var(--bg-gradient-1) 0%,
    var(--bg-gradient-2) 50%,
    var(--bg-gradient-3) 100%
  );
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition:
    background 0.55s ease,
    color 0.35s ease;
}

/* ── Theme Toggle Button ──────────────────────── */
#themeToggleBtn {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--card-border);
  background: var(--toggle-btn-bg);
  color: var(--toggle-btn-color);
  font-size: 17px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.3s,
    transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
    color 0.3s,
    border-color 0.3s;
}

#themeToggleBtn:hover {
  background: var(--toggle-btn-hover);
  transform: scale(1.1) rotate(15deg);
}

#themeToggleBtn:active {
  transform: scale(0.95);
}

/* Icon spin on theme change */
#themeToggleBtn.spinning #themeIcon {
  animation: iconSpin 0.4s ease;
}

@keyframes iconSpin {
  from { transform: rotate(0deg); opacity: 0.4; }
  to   { transform: rotate(360deg); opacity: 1; }
}

/* ── Main App Card ────────────────────────────── */
#app {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 32px 28px 28px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  color: var(--text-primary);
  transition:
    background 0.5s,
    border-color 0.4s,
    box-shadow 0.4s;
}

/* ── Search Bar ───────────────────────────────── */
#searchBar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

#searchBarInput {
  flex: 1;
  padding: 10px 16px;
  border-radius: 50px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--input-text);
  font-size: 14px;
  outline: none;
  backdrop-filter: blur(6px);
  transition:
    background 0.3s,
    border-color 0.3s,
    color 0.3s;
}

#searchBarInput::placeholder {
  color: var(--input-placeholder);
}

#searchBarInput:focus {
  border-color: rgba(255, 255, 255, 0.7);
}

#searchIcon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--input-border);
  background: var(--btn-bg);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, transform 0.2s;
}

#searchIcon:hover {
  background: var(--btn-hover);
  transform: scale(1.08);
}

/* ── Date & City ──────────────────────────────── */
#info {
  margin-bottom: 12px;
}

#date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
  transition: color 0.3s;
}

#city {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s;
}

/* ── Weather Icon ─────────────────────────────── */
#tempImg {
  font-size: 72px;
  margin: 8px 0 4px;
  line-height: 1;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

#tempImg img {
  width: 90px;
  height: 90px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

/* ── Weather Description ──────────────────────── */
#description {
  font-size: 15px;
  color: var(--text-secondary);
  text-transform: capitalize;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}

/* ── Temperature ──────────────────────────────── */
#temp {
  font-size: 72px;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -3px;
  line-height: 1;
  margin: 4px 0 20px;
  transition: color 0.3s;
}

/* ── Highs / Lows ─────────────────────────────── */
#extra-info {
  display: flex;
  justify-content: center;
  gap: 28px;
  background: var(--extra-info-bg);
  border-radius: 16px;
  padding: 14px 24px;
  border: 1px solid var(--card-border);
  transition: background 0.4s, border-color 0.4s;
}

.col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.info {
  text-align: center;
}

.info h5 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
  transition: color 0.3s;
}

.info p {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.3s;
}

/* ── Footer ───────────────────────────────────── */
#footer {
  margin-top: 20px;
  text-align: center;
}

#footer p {
  font-size: 12px;
  color: var(--footer-color);
  transition: color 0.3s;
}

/* ── Responsive ───────────────────────────────── */
@media (max-width: 440px) {
  #app {
    padding: 24px 18px 20px;
    border-radius: 20px;
  }

  #temp {
    font-size: 60px;
  }

  #city {
    font-size: 20px;
  }

  #themeToggleBtn {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
}/* =========================
   RESET
========================= */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =========================
   BODY
========================= */
body{
    width: 100%;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;

    background: linear-gradient(
        180deg,
        #06111f 0%,
        #0b1d33 40%,
        #122945 100%
    );

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    padding: 30px 0;
    color: #fff;
}

/* =========================
   MAIN APP CARD
========================= */
#app{
    width: 420px;

    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-radius: 28px;
    padding: 32px;

    box-shadow:
        0 10px 40px rgba(0,0,0,0.35),
        inset 0 1px 1px rgba(255,255,255,0.08);
}

/* =========================
   SEARCH BAR
========================= */
#searchBar{
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

#searchBarInput{
    flex: 1;
    height: 52px;

    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);

    background: rgba(255,255,255,0.08);
    color: white;

    padding: 0 16px;
    outline: none;

    font-size: 15px;
}

#searchIcon{
    width: 52px;
    border: none;
    border-radius: 16px;

    background: linear-gradient(135deg, #00aaff, #0066ff);
    color: white;

    cursor: pointer;
    font-size: 16px;
}

/* =========================
   DATE
========================= */
#date{
    font-size: 15px;
    opacity: 0.75;
    margin-bottom: 6px;
}

/* =========================
   CITY (BIG TITLE)
========================= */
#city{
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* =========================
   DESCRIPTION
========================= */
#description{
    margin-top: 12px;
    font-size: 18px;
    opacity: 0.85;
    text-transform: capitalize;
}

/* =========================
   TEMPERATURE (MAIN FOCUS)
========================= */
#temp{
    font-size: 92px;
    font-weight: 800;
    letter-spacing: -3px;
    margin: 15px 0;
}

/* =========================
   WEATHER ICON BOX
========================= */
#tempImage{
    width: 150px;
    height: 150px;

    margin: 20px auto;

    display: flex;
    justify-content: center;
    align-items: center;

    background: rgba(255,255,255,0.06);
    border-radius: 22px;
}

#tempImage img{
    width: 110px;
}

/* =========================
   EXTRA INFO
========================= */
#extra-info{
    display: flex;
    justify-content: space-between;
    gap: 16px;

    margin-top: 20px;
}

.col{
    flex: 1;

    background: rgba(255,255,255,0.06);
    border-radius: 18px;

    padding: 18px;
    text-align: center;
}

.col h5{
    font-size: 14px;
    opacity: 0.7;
}

.col p{
    font-size: 20px;
    font-weight: 600;
    margin-top: 6px;
}

/* =========================
   FOOTER
========================= */
#footer{
    margin-top: 20px;

    text-align: center;
    font-size: 12px;

    color: rgba(255,255,255,0.6);

    padding: 12px 16px;

    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);

    border-radius: 16px;

    backdrop-filter: blur(10px);
}

/* =========================
   MOBILE RESPONSIVE
========================= */
@media(max-width: 480px){

    #app{
        width: 92%;
        padding: 28px;
    }

    #city{
        font-size: 32px;
    }

    #temp{
        font-size: 80px;
    }

    #tempImage{
        width: 130px;
        height: 130px;
    }

    #tempImage img{
        width: 95px;
    }
}