/* General styles for the application with dark theme support */

/* ========== THEME VARIABLES ========== */
/* Light theme (default) - Updated "warm" version */
:root {
  /* Backgrounds: Use soft, slightly warm shades instead of harsh white/gray */
  --bg-color: #f8f9fa;           /* Very light gray, almost white, but softer */
  --container-bg: #ffffff;       /* Pure white for containers */
  --card-bg: #f1f3f5;            /* Light gray for cards/forms */
  --input-bg: #ffffff;           /* White for input fields */
  --priority-1-bg: #ffe3e3;      /* Light red */
  --priority-2-bg: #fff3bf;      /* Light yellow */
  --priority-3-bg: #e7f5ff;      /* Light blue/gray */

  /* Text Colors: Use dark gray instead of harsh black */
  --text-color: #212529;         /* Dark gray (closer to black, but softer) */
  --text-light: #495057;         /* Medium-dark gray for secondary text */
  --text-inverted: #ffffff;      /* White for text on buttons */

  /* Borders: Softer, neutral grays */
  --border-color: #dee2e6;       /* Light gray */
  --border-card: #ced4da;        /* Medium-light gray */

  /* Primary Colors (accents): Slightly desaturated for harmony */
  --primary-color: #3b82f6;      /* Desaturated blue */
  --primary-hover: #2563eb;      /* Darker on hover */
  --secondary-color: #6c757d;    /* Gray */
  --success-color: #10b981;      /* Desaturated green */
  --warning-color: #f59e0b;      /* Desaturated orange */
  --danger-color: #ef4444;       /* Desaturated red */
  --info-color: #0ea5e9;         /* Desaturated blue */

  /* Button Colors */
  --btn-primary-bg: var(--primary-color);
  --btn-primary-hover: var(--primary-hover);
  --btn-primary-text: var(--text-inverted);
  --btn-danger-bg: var(--danger-color);
  --btn-danger-hover: #dc2626;   /* Darker */
  --btn-danger-text: var(--text-inverted);
  --btn-secondary-bg: var(--secondary-color);
  --btn-secondary-hover: #5a6268; /* Darker */
  --btn-secondary-text: var(--text-inverted);

  /* Priority Borders: More saturated for contrast on light */
  --priority-1-border: #ef4444;
  --priority-2-border: #f59e0b;
  --priority-3-border: #3b82f6;

  /* Priority Title Backgrounds: Slight transparency for gradient effect in task headers */
  --priority-1-title-bg: rgba(239, 68, 68, 0.1); /* Light red with transparency */
  --priority-2-title-bg: rgba(245, 158, 11, 0.1); /* Light yellow with transparency */
  --priority-3-title-bg: rgba(59, 130, 246, 0.1); /* Light blue/gray with transparency */

  /* Other */
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); /* Very light shadow */
  --border-radius: 5px;
  --transition-speed: 0.3s;
}

/* Dark theme */
.dark-theme {
  /* Backgrounds */
  --bg-color: #121212;        /* Very dark background */
  --container-bg: #1e1e1e;    /* Background for containers */
  --card-bg: #2d2d2d;         /* Background for cards/forms */
  --input-bg: #2d2d2d;        /* Background for input fields */
  --priority-1-title-bg: rgba(255, 82, 82, 0.15); /* Dark red with transparency */
  --priority-2-title-bg: rgba(255, 215, 64, 0.15); /* Dark yellow with transparency */
  --priority-3-title-bg: rgba(158, 158, 158, 0.15); /* Dark gray with transparency */
  --priority-1-border: #ff5252;
  --priority-2-border: #ffd740;
  --priority-3-border: #9e9e9e;

  /* Text Colors */
  --text-color: #e0e0e0;      /* Light gray text */
  --text-light: #b0b0b0;      /* Lighter gray for secondary text */
  --text-inverted: #000000;   /* Black text on colored buttons */

  /* Borders */
  --border-color: #333333;
  --border-card: #444444;

  /* Primary Colors: Warm/saturated for contrast on dark */
  --primary-color: #bb86fc;       /* Purple (Material Dark) */
  --primary-hover: #d0bcff;
  --secondary-color: #9e9e9e;     /* Light gray */
  --success-color: #4caf50;       /* Green */
  --warning-color: #ff9800;       /* Orange */
  --danger-color: #cf6679;        /* Pinkish-red (Material Dark Error) */
  --info-color: #03dac6;          /* Teal */

  /* Button Colors */
  --btn-primary-bg: var(--primary-color);
  --btn-primary-hover: var(--primary-hover);
  --btn-primary-text: var(--text-inverted);
  --btn-danger-bg: var(--danger-color);
  --btn-danger-hover: #ff7997; /* Lighter shade */
  --btn-danger-text: var(--text-inverted);
  --btn-secondary-bg: var(--secondary-color);
  --btn-secondary-hover: #bdbdbd; /* Lighter shade */
  --btn-secondary-text: var(--text-inverted);

  /* Other */
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* More noticeable shadow on dark */
}

/* ========== BASE STYLES ========== */
body,
.container,
.form-control,
.btn,
.task-item,
.nav-btn,
footer {
    transition: background-color var(--transition-speed),
                color var(--transition-speed),
                border-color var(--transition-speed),
                box-shadow var(--transition-speed);
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
}

/* Main page container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--container-bg);
  padding: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-top: 20px;
  margin-bottom: 20px;
}

/* ========== HEADERS AND NAVIGATION ========== */
.header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.user-info {
  font-size: 16px;
  color: var(--text-color);
  text-align: right;
  font-weight: 500;
  position: relative; /* For dropdown positioning */
}

/* Dropdown menu */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 100%;
  z-index: 1000;
}

.user-info:hover [data-toggle="dropdown"] + .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: block;
  box-sizing: border-box;
  padding: 10px 15px;
  color: var(--text-color);
  text-decoration: none;
  text-align: center;
  font-size: 16px;
}

.dropdown-item:hover {
  background-color: var(--border-color);
}

/* ========== FORMS ========== */
.task-form {
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
  border: 1px solid var(--border-card);
}

.task-form h3 {
  color: var(--text-color);
  margin-top: 0;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 16px;
  background-color: var(--input-bg);
  color: var(--text-color);
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.2);
}

.dark-theme .form-control:focus {
  box-shadow: 0 0 0 3px rgba(187, 134, 252, 0.2);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 16px;
  text-decoration: none;
  text-align: center;
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  transition: background-color var(--transition-speed);
}

.btn:hover {
  background-color: var(--btn-primary-hover);
}

.user-profile-btn {
  min-width: 120px;
  background-color: var(--btn-danger-bg);
  color: var(--btn-danger-text);
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 16px;
  text-decoration: none;
  text-align: center;
  transition: background-color var(--transition-speed);
}

.user-profile-btn:hover {
  background-color: var(--btn-danger-hover);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ========== SECTION NAVIGATION ========== */
.section-nav {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.nav-btn {
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 16px;
}

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

.nav-btn.active {
  background-color: var(--primary-color);
  color: var(--btn-primary-text);
  border-color: var(--primary-color);
}

/* ========== SECTIONS ========== */
.section {
  display: none;
}

.section.active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== TASKS ========== */
#tasksContainer {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 10px;
  background-color: var(--card-bg);
  margin-bottom: 20px;
}

.task-item {
  border-left: 4px solid var(--priority-1-border);
  padding: 15px;
  margin: 10px 0;
  border-radius: var(--border-radius);
  background: var(--container-bg);
}

.task-item.priority-1 {
    border-left-color: var(--priority-1-border);
}
.task-item.priority-2 {
    border-left-color: var(--priority-2-border);
}
.task-item.priority-3 {
    border-left-color: var(--priority-3-border);
}

.task-item.priority-1 h4 {
    background: var(--priority-1-title-bg);
}
.task-item.priority-2 h4 {
    background: var(--priority-2-title-bg);
}
.task-item.priority-3 h4 {
    background: var(--priority-3-title-bg);
}

.task-item h4 {
  overflow-wrap: break-word;
  word-break: break-word;
  color: var(--text-color);
  margin-top: 0;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: hidden;
}

.task-item p {
  color: var(--text-color);
  margin: 10px 0;
  padding-left: 10px;
}

/* Task archive button */
.task-archive-btn {
    margin-left: auto; /* Push to the right */
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 16px;
    cursor: pointer;
    padding: 0 10px;
    transition: color var(--transition-speed);
}

.task-archive-btn:hover {
    color: var(--danger-color);
}

.task-archive-btn.task-updating {
    opacity: 0.5;
    pointer-events: none;
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 10px;
  align-items: end;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.form-row .align-end {
  align-self: flex-end;
  flex: 0 0 auto;
}

.task-form .btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 500;
  margin-top: 5px;
}

#taskPriority {
  background-color: var(--input-bg);
  color: var(--text-color);
  appearance: none;
  padding-right: 30px;
}

#taskDeadline {
  background-color: var(--input-bg);
  color: var(--text-color);
  width: 100%;
}

#taskDeadline::-webkit-calendar-picker-indicator {
  cursor: pointer;
}

.dark-theme #taskDeadline::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

.task-meta {
  display: flex;
  font-size: 0.8em;
  color: var(--text-light);
  margin-top: 10px;
  padding-top: 10px;
}

.task-meta span {
    margin-left: auto; /* Push span to the right */
}

/* ========== LOGIN PAGE ========== */
.login-container {
  max-width: 400px;
  margin: 100px auto;
  text-align: center;
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* ========== FOOTER ========== */
footer {
  text-align: center;
  margin-top: 20px;
  padding: 15px 10px;
  border-top: 1px solid var(--border-color);
  color: var(--text-light);
}

/* ========== UTILITIES ========== */
.text-center {
  text-align: center;
}

.loading {
  text-align: center;
  padding: 20px;
  color: var(--text-light);
}

/* Marquee for user messages */
.marquee-container {
  width: 100%;
  overflow: hidden;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 10px 0 10px 0;
  margin-bottom: 20px;
  box-shadow: var(--box-shadow);
  position: relative;
}

.marquee-text {
  position: absolute;
  white-space: nowrap;
  color: var(--text-color);
  font-size: 16px;
  animation: marquee 18s linear infinite;
/*  right: -100%; /* Start from the right edge of the container */
}

.marquee-dummy {
  visibility: hidden;
  white-space: nowrap;
  font-size: 16px; /* Match marquee-text */
}

@keyframes marquee {
  0% {
    transform: translateX(100vw);
  }
  100% {
    transform: translateX(-100%); /* Move fully off-screen to the left */
  }
}

/* ========== RESPONSIVENESS ========== */
@media (max-width: 768px) {
  .container {
    margin: 10px;
    padding: 15px;
  }

  .header {
    text-align: center;
  }

  .user-info {
    text-align: center;
    margin-top: 10px;
  }

  .section-nav {
    flex-direction: column;
  }

  .nav-btn {
    width: 100%;
  }
}

/* ========== DARK THEME ENHANCEMENTS ========== */
.dark-theme .task-form {
  background-color: #252525;
  border: 1px solid #3a3a3a;
}

.dark-theme .task-form h3 {
  color: #f0f0f0;
  border-bottom: 1px solid #3a3a3a;
}

.dark-theme .form-group label {
  color: #d0d0d0;
}

.dark-theme #taskPriority {
  background-color: #2d2d2d;
  color: #e0e0e0;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e0e0e0'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
}

/* ========== TASK COMPLETION ========== */
.task-complete-checkbox {
  transform: scale(1.2);
  accent-color: var(--primary-color);
  cursor: pointer;
}

.task-item.completed {
  opacity: 0.7;
  text-decoration: line-through;
  color: var(--text-light);
}

.task-loading-spinner {
  display: none;
  font-size: 0.8em;
  color: var(--text-light);
  margin-left: 10px;
}

.task-item.task-updating {
  pointer-events: none;
  opacity: 0.7;
}

/* Animation to slide a completed task out to the left */
@keyframes taskSlideOutLeft {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-100vw);
  }
}

.task-finalize-animation {
  animation: taskSlideOutLeft 0.6s ease-in-out forwards;
}

/* Preserve formatting in task descriptions */
.task-description {
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  overflow-x: hidden;
  margin: 10px 0;
  border-radius: 4px;
  max-width: 100%;
}