/* --- General Styles & Fonts --- */
:root {
  --bg-color: #0d1019;
  --surface-color: #161b22;
  --primary-text-color: #e0e0e0;
  --secondary-text-color: #a0a0a0;
  --accent-color: #ffffff;
  --border-color: #333333;
  --progress-bar-color: #ffffff;
  --progress-bar-bg: #444444;
  --btn-main-bg: #e0e0e0;
  --btn-main-color: #0d1019;
  --danger-color: #ff5252;
  --help-icon-color: #8ab4f8;
  --sun-icon-color: #fdd835;
  --moon-icon-color: #b0bec5;
  --link-color: #8ab4f8;
}

body.light-theme {
  --bg-color: #f4f4f9;
  --surface-color: #ffffff;
  --primary-text-color: #1c1c1e;
  --secondary-text-color: #555555;
  --accent-color: #000000;
  --border-color: #e0e0e0;
  --progress-bar-color: #1c1c1e;
  --progress-bar-bg: #e0e0e0;
  --btn-main-bg: #1c1c1e;
  --btn-main-color: #ffffff;
  --danger-color: #d93030;
  --help-icon-color: #1a73e8;
  --sun-icon-color: #f9a825;
  --moon-icon-color: #78909c;
  --link-color: #1a73e8;
}

body {
  background-color: var(--bg-color);
  color: var(--primary-text-color);
  font-family: "Vazirmatn", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px 0;
  text-align: center;
  transition: background-color 0.4s, color 0.4s;
}

/* --- Main Container --- */
.pomodoro-container {
  background-color: var(--surface-color);
  padding: 25px 35px;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 480px;
  transition: background-color 0.4s;
}

/* --- Logo Container --- */
.logo-container {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}
.logo-container img {
  height: 40px;
  width: auto;
  opacity: 0.8;
  transition: opacity 0.3s;
}
.logo-container a:hover img {
  opacity: 1;
}
.logo-text {
  margin-top: 8px;
  margin-bottom: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary-text-color);
}

/* --- Header (FINAL VERSION) --- */
.header {
  display: flex;
  flex-direction: column; /* Stack items vertically */
  align-items: center;    /* Center them horizontally */
  gap: 15px;              /* Add space between title and icons */
  margin-bottom: 10px;
}
.title-section {
  text-align: center;
}
.header h1 {
  margin: 0;
  font-size: 1.8rem;
}
#date-display {
  font-size: 0.85rem;
  color: var(--secondary-text-color);
  opacity: 0.8;
}
.header-icons {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center; /* Ensure icons are centered in their row */
}
.header-icons button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  line-height: 0;
}
.header-icons svg {
  width: 24px;
  height: 24px;
  transition: fill 0.3s, stroke 0.3s, opacity 0.3s, transform 0.3s;
}
.header-icons button:hover svg {
  transform: scale(1.15);
}

/* --- Icon Specific Colors --- */
#menu-btn svg {
  fill: var(--secondary-text-color);
}
#menu-btn:hover svg {
  fill: var(--accent-color);
}
#settings-btn svg {
  stroke: var(--secondary-text-color);
}
#settings-btn:hover svg {
  stroke: var(--accent-color);
}
#help-btn svg {
  fill: var(--help-icon-color);
  opacity: 0.9;
}
#help-btn:hover svg {
  opacity: 1;
}
#theme-toggle-btn .sun-icon {
  fill: var(--sun-icon-color);
}
#theme-toggle-btn .moon-icon {
  fill: var(--moon-icon-color);
}
.moon-icon {
  display: none;
}
body.light-theme .sun-icon {
  display: none;
}
body.light-theme .moon-icon {
  display: block;
}

/* --- Language Button Styles --- */
#lang-toggle-btn {
  color: var(--secondary-text-color);
  font-size: 1rem;
  font-weight: 700;
  transition: color 0.3s, transform 0.3s;
  line-height: 1;
}
#lang-toggle-btn:hover {
  color: var(--accent-color);
  transform: scale(1.15);
}

/* --- Message Box --- */
.message-box {
  background-color: var(--bg-color);
  color: var(--secondary-text-color);
  padding: 15px;
  border-radius: 10px;
  margin-top: 10px;
  margin-bottom: 15px;
  min-height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.9rem;
  transition: all 0.4s ease;
  border: 1px solid var(--border-color);
}

/* --- Timer & Progress Circle --- */
.timer-wrapper {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 20px auto;
}
.timer-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.timer-progress-circle {
  fill: none;
  stroke-width: 12;
}
.progress-bg {
  stroke: var(--progress-bar-bg);
}
.progress-bar {
  stroke: var(--progress-bar-color);
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke 0.4s;
}
.timer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 2px;
}

/* --- Mode Buttons --- */
.modes {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.mode-btn {
  background: none;
  border: 2px solid var(--border-color);
  color: var(--secondary-text-color);
  padding: 10px 15px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: "Vazirmatn", sans-serif;
  transition: all 0.3s ease, transform 0.2s ease; /* IMPROVEMENT */
}
.mode-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-2px); /* IMPROVEMENT */
}
.mode-btn.active {
  background-color: var(--accent-color);
  color: var(--bg-color);
  border-color: var(--accent-color);
  font-weight: 700;
}

/* --- Control Buttons --- */
.controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}
.control-btn {
  background-color: var(--btn-main-bg);
  color: var(--btn-main-color);
  border: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.3s ease;
  font-family: "Vazirmatn", sans-serif;
}
.control-btn:hover {
  transform: translateY(-3px);
}
.control-btn#pause-btn {
  background-color: var(--surface-color);
  color: var(--secondary-text-color);
  border: 2px solid var(--border-color);
}

/* --- To-Do List --- */
.todo-section {
  margin-top: 25px;
  text-align: right;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}
#todo-input {
  width: calc(100% - 22px);
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-color);
  color: var(--primary-text-color);
  font-family: "Vazirmatn", sans-serif;
}
#todo-list {
  list-style: none;
  padding: 0;
  max-height: 110px;
  overflow-y: auto;
  margin-top: 10px;
}
#todo-list li {
  padding: 10px;
  background-color: var(--bg-color);
  border-radius: 5px;
  margin-bottom: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: opacity 0.3s;
}
#todo-list li span {
  cursor: pointer;
  flex-grow: 1;
  text-align: right;
}
#todo-list li.completed span {
  text-decoration: line-through;
  opacity: 0.5;
}
.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 5px;
  line-height: 0;
}
.delete-btn svg {
  width: 18px;
  height: 18px;
  fill: var(--secondary-text-color);
  transition: fill 0.3s;
}
.delete-btn:hover svg {
  fill: var(--danger-color);
}

/* --- Sound Section --- */
.sounds-container {
  border-top: 1px solid var(--border-color);
  padding-top: 15px;
  margin-top: 20px;
}
.sound-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
}
.sound-section h3 {
  font-size: 0.9rem;
  color: var(--secondary-text-color);
  margin: 0;
  font-weight: 400;
}
.sound-buttons {
  display: flex;
  gap: 10px;
}
.sound-btn {
  background: none;
  border: 2px solid var(--border-color);
  color: var(--secondary-text-color);
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sound-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--secondary-text-color);
  transition: fill 0.3s;
}
.sound-btn:hover {
  border-color: var(--accent-color);
}
.sound-btn:hover svg {
  fill: var(--accent-color);
}
.sound-btn.active {
  border-color: var(--accent-color);
}
.sound-btn[data-sound="focus"].active svg {
  fill: var(--accent-color);
}

/* --- Counter Section --- */
.counter-section {
  margin-top: 20px;
  color: var(--secondary-text-color);
  font-size: 1rem;
}
.reminder {
  font-size: 0.8rem;
  margin-top: 5px;
  opacity: 0.7;
}

/* --- Modals --- */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
}
.modal-content {
  background-color: var(--surface-color);
  padding: 25px;
  border-radius: 15px;
  width: 90%;
  max-width: 450px;
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}
.modal-content h2 {
  margin-top: 0;
}
.form-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}
.form-group input {
  width: 60px;
  padding: 8px;
  text-align: center;
  border-radius: 5px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--primary-text-color);
}
#save-settings {
  width: 100%;
  padding: 12px;
  background-color: var(--btn-main-bg);
  color: var(--btn-main-color);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
}
.update-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 20px;
    font-family: "Vazirmatn", sans-serif;
    background: linear-gradient(45deg, #28a745, #218838);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.update-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.5);
}


/* --- Close Button Fix --- */
.close-btn {
  position: absolute;
  top: 15px;
  font-size: 2rem;
  color: var(--secondary-text-color);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}
[dir="rtl"] .close-btn {
  left: 15px;
  right: auto;
}
[dir="ltr"] .close-btn {
  right: 15px;
  left: auto;
}
.modal-content h3 {
  margin-top: 20px;
  color: var(--primary-text-color);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 5px;
}
.modal-content h4 {
  margin-top: 15px;
  margin-bottom: 5px;
  color: var(--primary-text-color);
}
.modal-content p {
  line-height: 1.7;
  color: var(--secondary-text-color);
  padding-right: 28px;
}
[dir="ltr"] .modal-content p {
  padding-right: 0;
  padding-left: 28px;
}
#menu-modal ul {
  list-style: none;
  padding: 0;
}
#menu-modal ul li a {
  display: block;
  padding: 12px 15px;
  color: var(--primary-text-color);
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s;
}
#menu-modal ul li a:hover {
  background-color: var(--bg-color);
}

/* --- Footer Styles --- */
.page-footer {
  text-align: center;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
}
.page-footer p {
  margin: 0 0 10px 0;
  font-size: 0.82rem;
  color: var(--secondary-text-color);
  transition: color 0.4s;
}
.page-footer a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95rem;
  transition: color 0.3s, text-shadow 0.3s;
}
.page-footer a:hover {
  color: var(--accent-color);
  text-shadow: 0 0 5px var(--accent-color);
}