/* ==========================================
   1. RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-weight: bold;
}

:root {
  --background: #060e20;
  --surface-container: #0f1930;
  --surface-container-high: #141f38;
  --surface-container-highest: #192540;
  --on-surface: #dee5ff;
  --on-surface-variant: #6d758c;
  --primary: #a1faff;
  --primary-container: #00f4fe;
  --on-primary-fixed: #004346;
  --secondary: #9f8eff;
  --tertiary: #ff6e84;
}

body {
  font-family: "Inter", sans-serif;
  background: radial-gradient(
    circle at top left,
    var(--background) 0%,
    var(--background) 40%,
    var(--surface-container) 100%
  );
  min-height: 100vh;
  color: var(--on-surface);
}

::selection {
  background: var(--primary-container);
  color: #00575b;
}

a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
i {
  font-size: 1.2rem;
}

/* ==========================================
   2. NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 64px;
  background: rgba(6, 14, 32, 0.6);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -0.05em;
}

/* ==========================================
   3. SIDEBAR (DESKTOP)
   ========================================== */
.sidebar {
  display: none;
  position: fixed;
  left: 0;
  top: 64px;
  height: calc(100vh - 64px);
  width: 18rem;
  flex-direction: column;
  padding: 1.5rem;
  gap: 1rem;
  background: rgba(6, 14, 32, 0.4);
  backdrop-filter: blur(32px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .sidebar {
    display: flex;
  }
}

.sidebar-title {
  font-size: 1.125rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.sidebar-subtitle {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  transition: all 0.3s;
}

.sidebar-link i {
  color: white;
}
.sidebar-link:hover {
  color: var(--on-surface);
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(4px);
}
.sidebar-link.active {
  background: rgba(161, 250, 255, 0.1);
  color: var(--primary);
  transform: translateX(4px);
}

.sidebar-footer {
  margin-top: auto;
}
.new-list-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--on-primary-fixed);
  border-radius: 9999px;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
.new-list-btn:active {
  transform: scale(0.95);
}

/* ==========================================
   4. MAIN CONTENT & GRID
   ========================================== */
main {
  padding: 6rem 1.5rem 3rem;
}

@media (min-width: 768px) {
  main {
    padding-left: 20rem;
    padding-right: 3rem;
  }
}

.page-header {
  margin-bottom: 2.5rem;
}
.page-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.page-subtitle {
  color: var(--on-surface-variant);
  font-size: 1.125rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* ==========================================
   5. TASKS SECTION
   ========================================== */
.tasks-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-title {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.title-accent {
  width: 0.5rem;
  height: 2rem;
  background: var(--primary);
  border-radius: 9999px;
}
.date-badge {
  font-size: 0.875rem;
  color: var(--primary);
  background: rgba(161, 250, 255, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.task-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: rgba(15, 25, 48, 0.7);
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.2s;
  position: relative;
}
.task-card:hover {
  background: var(--surface-container-high);
}
.task-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.task-name {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.task-time {
  font-size: 0.8rem;
  opacity: 0.7;
}
.task-decription {
  font-size: 0.7rem;
  opacity: 0.9;
  margin-top: 5px;
  font-weight: 100;
}

.task-menu {
  color: white;
  margin: 0 0 0 1rem;
  font-size: 1.5rem;
}
.menubtn {
  position: absolute;
  top: 45px;
  right: 10px;
  background: #060e20;
  border-radius: 6px;
  overflow: hidden;
  z-index: 100;
  width: 140px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transition: all 0.2s ease;
}
.menubtn button {
  width: 100%;
  padding: 10px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.menubtn button:hover {
  background: rgba(255, 255, 255, 0.1);
}
.menubtn i {
  margin: 5px 8px;
  font-size: 1rem;
  color: white;
}
.menubtn .delete {
  border: none;
  color: red;
}
.hidden-menu {
  display: none;
}

/* !done logic  */
.done {
  background: rgba(110, 255, 144, 0.2);
  border: 1px solid rgba(110, 255, 144, 0.6);
  color: #4caf50;
  opacity: 0.8;
}
.completed-text {
  color: #4caf50;
  font-size: 0.8rem;
  margin-left: 5px;
}

.expired {
  background: rgba(255, 110, 132, 0.2);
  border: 1px solid rgba(255, 110, 132, 0.6);
  color: #ff6e84;
  opacity: 0.8;
}
.expired-text {
  color: #ff6e84;
  font-size: 0.8rem;
  margin-left: 5px;
}
.pending-text {
  color: #4da6ff;
  font-size: 0.8rem;
  margin-left: 5px;
}
/* ========================================================================== */
/* 6. ASIDE PANEL (QUICK ACTIONS & UPCOMING) */
/* ========================================================================== */
.aside-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.panel-title {
  margin-bottom: 20px;
}
.glass-panel {
  background: rgba(9, 19, 40, 0.7);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.quick-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  border-radius: 1rem;
  gap: 0.5rem;
  border: 1px solid;
  transition: background 0.2s;
}
.quick-btn i {
  color: white;
}
.quick-btn .label {
  font-size: 0.75rem;
  text-transform: uppercase;
}
.quick-btn.focus-btn {
  background: rgba(161, 250, 255, 0.1);
  border-color: rgba(161, 250, 255, 0.2);
  color: var(--primary);
}
.quick-btn.stats-btn {
  background: rgba(255, 110, 132, 0.1);
  border-color: rgba(255, 110, 132, 0.2);
  color: var(--tertiary);
}
.quick-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 5rem;
}
.upcoming-title {
  margin-bottom: 20px;
}
.upcoming-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: rgba(15, 25, 48, 0.4);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.date-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface-container-high);
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  color: var(--primary);
}
.date-block .month {
  font-size: 0.75rem;
}
.date-block .day {
  font-size: 1.125rem;
}
.upcoming-name {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}
.upcoming-sub {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

/* ==========================================
   7. MODAL & OVERLAY
   ========================================== */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(5, 10, 25, 0.7);
  backdrop-filter: blur(6px);
  z-index: 100;
}
.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.5);
  transition: all 0.5s ease-in-out;
}
.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.modal {
  background: #0b132b;
  padding: 30px;
  width: 360px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  color: #fff;
}
.modal h2 {
  text-align: center;
  margin-bottom: 25px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: #cbd5e1;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #2a3a5e;
  background: #0f1a36;
  color: #fff;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: #00e5ff;
  box-shadow: 0 0 5px #00e5ff;
}
textarea {
  resize: none;
  height: 80px;
}
.actions {
  display: flex;
  justify-content: space-between;
  margin-top: 25px;
}
.btn {
  padding: 10px 25px;
  border-radius: 20px;
  transition: transform 0.2s;
}
.cancel {
  background: #1f2937;
  color: #fff;
}
.submit {
  background: linear-gradient(135deg, #00e5ff, #00bcd4);
  color: #000;
}
.submit:hover {
  transform: scale(1.05);
}

/* ==========================================
   8. BOTTOM NAVIGATION (MOBILE)
   ========================================== */
.bottom-nav {
  display: flex;
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 4.5rem;
  padding: 1rem;
  background: rgba(6, 14, 32, 0.8);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  justify-content: space-around;
  align-items: center;
  z-index: 50;
}
@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}
.navList {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--on-surface-variant);
  font-size: 0.8rem;
}
.navList i {
  color: white;
}
.active {
  color: var(--primary);
}
.fab {
  background: var(--primary);
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-primary-fixed);
  margin-top: -3rem;
  font-size: 2rem;
}

/* for task page progress bar  */
.progress-container {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin-top: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4caf50, #00e676);
  border-radius: 10px;
  transition: width 0.4s ease;
}

/* for hame page progress bar  */
.steps-container {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.step-box {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.step-box.completed {
  background: #4caf50;
}

/* ========================================================================== */
/* user section */
/* ========================================================================== */
.user-popup {
  position: fixed;
  top: 70px;
  right: 20px;
  background: #0b132b;
  padding: 15px;
  border-radius: 10px;
  z-index: 200;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.user-popup.hidden {
  display: none;
}

.user-box h3 {
  margin-bottom: 10px;
}

.user-box button {
  padding: 6px 12px;
  background: #00e5ff;
  border-radius: 6px;
  color: black;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #00e5ff;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  cursor: pointer;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn {
  color: white;
}