/* ==========================================================================
   1. CUSTOM PROPERTIES
   ========================================================================== */

:root {
  /* Color Palette */
  --color-bg-start: #a38171;
  --color-bg-end: #e8e0d5;
  --color-text-main: #3c2f25;
  --color-text-heading: #4a382a;
  --color-accent-gold: rgb(106, 80, 12);
  --color-delete: #b85b4f;
  --color-delete-hover: #9e473c;

  /* Glassmorphism UI Defaults */
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);
  --glass-blur: blur(15px);
  --glass-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.1);

  /* Element Defaults */
  --input-bg: rgba(255, 255, 255, 0.4);
  --radius-sm: 0.3rem;
  --radius-md: 0.5rem;
  --font-family: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ==========================================================================
   2. GLOBAL RESET & BASE STYLES
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(
    135deg,
    var(--color-bg-start),
    var(--color-bg-end)
  );
  font-family: var(--font-family);
  color: var(--color-text-main);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ==========================================================================
   3. LAYOUT & CONTAINERS
   ========================================================================== */
header {
  background: transparent;
  color: white;
  padding: 0.8rem;
  text-align: center;

  h1 {
    font-size: 1.25rem;
    font-weight: 600;
  }
}

main {
  flex: 1;
  width: 90%;
  max-width: 26.25rem; /* Equivalent to 420px for ideal mobile widget width */
  margin: 1.5rem auto;
}

footer {
  color: var(--color-text-main);
  text-align: center;
  background: transparent;
  font-size: 0.85rem;
  margin-top: 1.5rem;
  padding: 0.5rem;
}

/* Glassmorphism Section Cards */
section {
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

/* ==========================================================================
   4. FORM ELEMENTS & INTERACTIVE COMPONENTS
   ========================================================================== */
form {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

input {
  background-color: var(--input-bg);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.8rem;
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 0.95rem;

  &::placeholder {
    color: var(--color-text-main);
    opacity: 0.8;
  }

  &:focus-visible {
    outline: 2px solid var(--color-text-heading);
  }
}

button {
  background-color: var(--input-bg);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-main);
  font-weight: 500;
  padding: 0.6rem 0.8rem;
  font-family: inherit;
  transition:
    background-color 0.2s ease,
    transform 0.1s ease;

  &:hover {
    background-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
  }

  &:active {
    transform: scale(0.98);
  }

  &:focus-visible {
    outline: 2px solid var(--color-text-heading);
  }
}

/* ==========================================================================
   5. WIDGET: SALUTATION & TIME
   ========================================================================== */
#greeting {
  color: var(--color-accent-gold);
  font-size: 1.3rem;
  font-weight: 600;
}

#time-container {
  text-align: center;
  margin-bottom: 1rem;

  #clock {
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.1;
  }

  #date {
    font-size: 0.9rem;
    opacity: 0.8;
  }
}

/* ==========================================================================
   6. WIDGET: WEATHER DISPLAY
   ========================================================================== */
#weather-form {
  margin: 1rem 0 1.5rem 0;

  #weather-input {
    flex: 1;
  }
}

#weather-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;

  #city-name {
    font-size: 1.4rem;
    color: var(--color-text-heading);
  }

  .weather-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    #weather-icon {
      width: 5rem;
      height: 5rem;
      object-fit: contain;
    }

    #temperature {
      font-weight: 600;
      font-size: 3.5rem;
      line-height: 1;
    }
  }

  #weather-description {
    margin: 0.5rem 0 0.75rem 0;
    font-size: 1.1rem;
    text-transform: capitalize;
  }
}

/* Temperature Min/Max Divider */
#min-max-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 1rem;

  p {
    margin: 0;
    font-size: 0.95rem;

    &:first-child::after {
      content: "";
      display: inline-block;
      width: 1px;
      height: 0.875rem;
      background-color: rgba(60, 47, 37, 0.3);
      margin-left: 1rem;
      vertical-align: middle;
    }
  }
}

/* ==========================================================================
   7. WIDGET: TODO LIST
   ========================================================================== */
.todolist {
  h2 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-heading);
  }

  #todo-form #task {
    flex: 1;
  }
}

#todo-list {
  margin-top: 1rem;

  li {
    list-style: none;
    padding: 0.8rem 0.5rem;
    user-select: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: opacity 0.2s ease;

    &:last-child {
      border-bottom: none;
    }

    /* Completed Task Styling */
    &.line-through {
      text-decoration: line-through;
      opacity: 0.55;
    }
  }
}

/* Delete Task Button */
.delete-btn {
  background-color: var(--color-delete);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    transform 0.1s ease;

  &:hover {
    background-color: var(--color-delete-hover);
    transform: scale(1.05);
  }

  &:active {
    transform: scale(0.95);
  }
}