/* ============================================
   TASKFLOW – MAIN STYLESHEET (Ocean / Teal Theme)
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --bg:        #06324c;   /* Deep Space Blue – darkest page bg */
  --bg2:       #054d7a;   /* sidebar – slightly lighter */
  --bg3:       #104870;   /* tertiary surface / hover layer */
  --card:      #06446a;   /* card surface */
  --border:    #165a79;   /* subtle borders */
  --accent:    #ebb027;   /* Teal – primary accent */
  --accent2:   #f8f410;   /* Cerulean – lighter highlight */
  --text:      #FBFFFE;   /* White – main text */
  --text2:     #d3d8db;   /* muted text (lighter blue-grey for readability on blue bg) */
  --red:       #96031A;   /* Deep Crimson – destructive actions */
  --green:     #f8f410;   /* Cerulean reused for checkmarks */
  --orange:    #f8f410;   /* Cerulean reused for tomorrow dots */
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(8, 126, 139, 0.18);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

input, select, button, textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
}

/* ============================================
   AUTH PAGE
   ============================================ */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 20%, #2da6e7 0%, #e068c2 65%);
}

.auth-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.auth-brand {
  text-align: center;
}

.brand-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 12px;
  box-shadow: 0 0 30px rgba(8, 126, 139, 0.45);
}

.brand-name {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.brand-tagline {
  color: var(--text2);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Auth Card */
.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  box-shadow: var(--shadow);
}

.auth-card h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.auth-sub {
  color: var(--text2);
  font-size: 0.88rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text);
  transition: border 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(234, 95, 216, 0.28);
}

/* ---- Primary Button ---- */
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #FBFFFE;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover { background: #076d79; }
.btn-primary:active { transform: scale(0.98); }

.switch-text {
  text-align: center;
  color: var(--text2);
  font-size: 0.85rem;
  margin-top: 16px;
}

.switch-text span {
  color: var(--accent2);
  cursor: pointer;
  font-weight: 500;
}

.switch-text span:hover { text-decoration: underline; }

.error-msg {
  color: #ff6b7a;
  font-size: 0.82rem;
  margin-bottom: 6px;
  min-height: 18px;
}

.hidden { display: none !important; }

/* ============================================
   APP LAYOUT
   ============================================ */
.app-page {
  display: flex;
  min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px 20px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
}

.sidebar-top { flex: 1; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.brand-icon-sm {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 15px rgba(8, 126, 139, 0.4);
}

.brand-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

/* User Info */
.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 24px;
}

.avatar {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: #FBFFFE;
  flex-shrink: 0;
}

.user-name { font-weight: 600; font-size: 0.9rem; color: var(--text); }
.user-label { color: var(--text2); font-size: 0.75rem; }

/* Nav Buttons */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 24px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text2);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  text-align: left;
}

.nav-btn:hover {
  background: var(--bg3);
  color: var(--text);
}

.nav-btn.active {
  background: rgba(8, 126, 139, 0.2);
  color: var(--accent2);
  border: 1px solid rgba(8, 126, 139, 0.4);
}

.nav-icon { font-size: 1rem; }

/* Stats Box */
.stats-box {
  display: flex;
  justify-content: space-between;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 20px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent2);
}
.stat-label { font-size: 0.72rem; color: var(--text2); }

/* Tomorrow Section */
.tomorrow-section {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-bottom: 16px;
}

.tomorrow-title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.tomorrow-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 160px;
  overflow-y: auto;
}

.tomorrow-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.8rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tomorrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  flex-shrink: 0;
}

.no-tomorrow {
  color: var(--text2);
  font-size: 0.8rem;
  text-align: center;
  padding: 10px 0;
}

/* Sign Out */
.btn-signout {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  width: 100%;
  transition: all 0.2s;
}

.btn-signout:hover {
  background: rgba(150, 3, 26, 0.18);
  border-color: var(--red);
  color: #e05060;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  margin-left: 260px;
  flex: 1;
  padding: 32px 40px;
  max-width: calc(100vw - 260px);
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}

.current-date {
  color: var(--text2);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ============================================
   CENTER CONTROLS (Search + Add Task)
   ============================================ */
.center-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
  width: 100%;
}

/* Search Bar */
.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 11px 20px;
  width: 100%;
  max-width: 500px;
  transition: border 0.2s;
}

.search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(8, 126, 139, 0.25);
}

.search-icon { font-size: 1rem; flex-shrink: 0; color: var(--text2); }

.search-wrap input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  width: 100%;
  font-size: 0.92rem;
}

.search-wrap input::placeholder { color: var(--text2); }

/* Add Task Card */
.add-task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  width: 100%;
  max-width: 620px;
  box-shadow: var(--shadow);
}

.add-task-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.add-task-row { margin-bottom: 14px; }

.task-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border 0.2s;
}

.task-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(8, 126, 139, 0.25);
}

.two-col {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-group-inline {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 120px;
}

.form-group-inline label {
  font-size: 0.78rem;
  color: var(--text2);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.form-group-inline input,
.form-group-inline select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text);
  outline: none;
  transition: border 0.2s;
}

.form-group-inline input:focus,
.form-group-inline select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(8, 126, 139, 0.25);
}

.form-group-inline select option { background: var(--card); color: var(--text); }

.add-task-card .btn-primary { width: auto; padding: 11px 28px; }

/* ============================================
   TASK LIST
   ============================================ */
.task-section { width: 100%; }

.task-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.empty-msg {
  text-align: center;
  color: var(--text2);
  font-size: 1rem;
  padding: 40px 0;
}

/* Task Card */
.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: border 0.2s, transform 0.15s, box-shadow 0.2s;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.task-card:hover {
  border-color: rgba(0, 178, 202, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 126, 139, 0.2);
}

.task-card.done { opacity: 0.45; }

/* Checkbox */
.task-check {
  width: 22px; height: 22px;
  border-radius: 6px;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  transition: background 0.2s, border-color 0.2s;
}

.task-check.checked {
  background: var(--accent);
  border-color: var(--accent);
  color: #FBFFFE;
  font-size: 0.8rem;
}

/* Task Content */
.task-content { flex: 1; min-width: 0; }

.task-title-text {
  font-weight: 500;
  font-size: 0.95rem;
  word-break: break-word;
  margin-bottom: 5px;
  color: var(--text);
}

.task-card.done .task-title-text {
  text-decoration: line-through;
  color: var(--text2);
}

.task-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.task-date-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  color: var(--text2);
}

/* Priority Badge */
.priority-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.priority-badge.high   { background: rgba(150, 3, 26, 0.3); color: #ff6b7a; }
.priority-badge.medium { background: rgba(0, 178, 202, 0.15); color: #00B2CA; }
.priority-badge.low    { background: rgba(8, 126, 139, 0.2); color: #4ecdc4; }

/* Delete Button */
.task-delete {
  background: transparent;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
  flex-shrink: 0;
}

.task-delete:hover { color: #ff6b7a; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    min-height: unset;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .main-content {
    margin-left: 0;
    max-width: 100%;
    padding: 20px 16px;
  }
  .app-page { flex-direction: column; }
  .two-col { flex-direction: column; }
}