/*
 * Copyright (c) 2025 FIRY (https://firy.io/)
 *
 * Unauthorized distribution, modification, or use of this software and code is not permitted and may be subject to applicable legal action.
 *
 */

/* Import a nice font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* --- THEME VARIABLES --- */
:root {
  --font-family: 'Poppins', sans-serif;
  --font-color: #0D1B2A;
  --card-bg-color: rgba(255, 255, 255, 0.45);
  --card-border-color: rgba(255, 255, 255, 0.25);
  --input-bg-color: rgba(255, 255, 255, 0.5);
  --input-focus-bg: rgba(255, 255, 255, 0.7);
  --shadow-color: rgba(0, 0, 0, 0.1);
  --primary-btn-bg: #4A4E69;
  --primary-btn-hover-bg: #3A3D54;
  --icon-color-default: #585858;
  --icon-color-hover: #0D1B2A;
  --done-text-color: #585858;
}

body.dark-mode {
  --font-color: #E0E1DD;
  --card-bg-color: rgba(22, 22, 22, 0.4);
  --card-border-color: rgba(255, 255, 255, 0.1);
  --input-bg-color: rgba(0, 0, 0, 0.2);
  --input-focus-bg: rgba(0, 0, 0, 0.3);
  --shadow-color: rgba(0, 0, 0, 0.25);
  --primary-btn-bg: #9A8C98;
  --primary-btn-hover-bg: #B5AAB3;
  --icon-color-default: #b0b0b0;
  --icon-color-hover: #ffffff;
  --done-text-color: #8d8d8d;
}

/* --- ANIMATED GRADIENT BACKGROUND --- */
body {
  font-family: var(--font-family);
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  min-height: 100vh;
  color: var(--font-color);
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

@keyframes gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- GLASSMORPHISM CARD --- */
.glass-card {
  background: var(--card-bg-color);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border-color);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  width: 100%;
  max-width: 700px;
  margin: auto;
  transition: background 0.3s, border 0.3s;
}

h1 {
  font-weight: 700;
  color: var(--font-color);
  transition: color 0.3s;
}

.logo {
  width: 30px;
  vertical-align: baseline !important;
}

/* --- TASK COUNTER --- */
.task-counter {
  background: var(--input-bg-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--card-border-color);
  flex-shrink: 0;
}

.task-counter .fa-check-double.all-tasks-completed {
  color: var(--bs-success);
}

/* --- INPUT & BUTTONS --- */
#todo-input {
  background: var(--input-bg-color);
  border: 1px solid transparent;
  color: var(--font-color);
  padding: 0.75rem 1rem;
  font-weight: 400;
  transition: background-color 0.3s, border-color 0.3s;
}

#todo-input::placeholder {
  color: var(--font-color);
  opacity: 0.7;
}

#todo-input:focus {
  background: var(--input-focus-bg);
  box-shadow: none;
  border-color: var(--card-border-color);
  color: var(--font-color);
}

#submit.btn-primary {
  background-color: var(--primary-btn-bg);
  border-color: transparent;
  font-weight: 600;
  transition: background-color 0.3s;
}

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

/* --- THEME SWITCHER --- */
.theme-btn {
  background: var(--input-bg-color);
  color: var(--font-color);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  border: 1px solid var(--card-border-color);
  display: flex;
  justify-content: center;
  align-items: center;
}

.theme-btn:hover {
  background: var(--input-bg-color);
  filter: brightness(0.85);
  transition: filter 0.3s ease;
}

.theme-btn .fa-sun { display: none; }
.theme-btn .fa-moon { display: block; }

body.dark-mode .theme-btn .fa-sun { display: block; }
body.dark-mode .theme-btn .fa-moon { display: none; }

/* --- Music Toggle Button --- */
.music-btn {
  position: relative;
  background: var(--input-bg-color);
  color: var(--font-color);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  border: 1px solid var(--card-border-color);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.music-btn:hover {
  background: var(--input-bg-color);
  filter: brightness(0.85);
  transition: filter 0.3s ease;
}

.music-btn .play-icon,
.music-btn .pause-icon {
  position: absolute;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.music-btn .play-icon {
  opacity: 1;
  transform: translateY(0);
}

.music-btn .pause-icon {
  opacity: 0;
  transform: translateY(100%);
}

.music-btn.playing .play-icon {
  opacity: 0;
  transform: translateY(-100%);
}

.music-btn.playing .pause-icon {
  opacity: 1;
  transform: translateY(0);
}

/* --- Delete Button --- */
.delete-btn {
  background-color: var(--bs-danger);
  color: var(--font-color);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  border: 1px solid var(--card-border-color);
  display: flex;
  justify-content: center;
  align-items: center;
}

.delete-btn:hover {
  background-color: var(--bs-danger);
  filter: brightness(0.85);
  transition: filter 0.3s ease;
}

.delete-btn:disabled {
  background-color: var(--bs-danger);
  border: 1px solid var(--card-border-color);
}

/* --- Go Advanced Button --- */
.advanced-btn {
  position: relative;
  background: var(--input-bg-color);
  color: var(--font-color);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  border: 1px solid var(--card-border-color);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  transition: all 0.3s ease;
}

.advanced-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150%;
  height: 150%;
  background: conic-gradient(
    from 0deg,
    rgba(238, 119, 82, 0.7), 
    rgba(231, 60, 126, 0.7), 
    rgba(35, 166, 213, 0.7),
    rgba(35, 213, 171, 0.7),
    rgba(238, 119, 82, 0.7)
  );
  transform: translate(-50%, -50%);
  animation: rotate-glow 5s linear infinite;
  z-index: -1;
  opacity: 0.6;
}

.advanced-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(231, 60, 126, 0.5);
  color: var(--font-color);
}

.advanced-btn .fa-rocket {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.advanced-btn:hover .fa-rocket {
  transform: rotate(-45deg);
}

@keyframes rotate-glow {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* --- TODO ITEM CARD --- */
.todo-item {
  background: var(--input-bg-color);
  border: 1px solid var(--card-border-color);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  transition: transform 0.2s ease, background 0.3s, opacity 0.3s;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.todo-item:hover {
  transform: translateY(-3px);
}

.todo-item .form-control {
  background-color: var(--card-bg-color);
  color: var(--font-color);
  border-color: var(--card-border-color);
}

.todo-item .form-control:focus {
  box-shadow: none;
}

.todo-item .drag-handle {
  cursor: grab;
  color: var(--icon-color-default);
  transition: color 0.3s;
}

.todo-item:hover .drag-handle {
  color: var(--icon-color-hover);
}

.timestamp {
  font-size: 0.7rem;
  opacity: 0.6;
}

.action-items i {
  cursor: pointer;
  color: var(--icon-color-default);
  transition: transform 0.2s, color 0.2s;
}

.action-items i:hover {
  transform: scale(1.25);
  color: var(--icon-color-hover);
}

.text.done {
  text-decoration: line-through;
  color: var(--done-text-color);
}

/* --- COMPLETED TASK VISUALS --- */
.todo-item.task-completed {
  opacity: 0.65;
}

/* --- LOCAL STORAGE NOTICE --- */
#storage-notice {
  background-color: var(--input-bg-color);
  border-color: var(--card-border-color);
  color: var(--font-color);
  font-size: 0.73rem;
}

#storage-notice .btn-close {
  filter: var(--font-color) == #E0E1DD ? 'invert(1)' : 'none';
}

#storage-notice.hidden {
  display: none !important;
}

/* --- POMODORO TIMER --- */
.pomodoro-timer-wrapper {
  display: flex;
  justify-content: center;
  width: 100%;
}

.pomodoro-timer {
  background: var(--input-bg-color);
  padding: 0.4rem 0.7rem;
  border-radius: 20px;
  font-weight: 600;
  border: 1px solid var(--card-border-color);
  color: var(--font-color);
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  font-size: 0.8rem;
}

.pomodoro-timer .timer-display {
  font-family: 'monospace', sans-serif;
  font-size: 1.2rem;
  min-width: 40px;
  text-align: center;
}

.pomodoro-timer .timer-control-btn {
  background: transparent;
  border: none;
  color: var(--font-color);
  padding: 0.15rem 0.3rem;
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.pomodoro-timer .timer-control-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.pomodoro-timer .timer-control-btn:focus {
  box-shadow: none;
}

footer {
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .todo-container {
        padding: 1.5rem;
    }
    header {
        flex-direction: column;
        align-items: flex-start !important;
    }
    header h1 {
        margin-bottom: 1rem;
    }
}

@media (max-width: 900px) {
    .kanban-board {
        padding: 1.5rem;
    }
    .logo {
        width: 25px;
    }
}

@media (max-width: 800px) {
    .logo {
        width: 20px;
    }
}

@media (max-width: 767.98px) {
    .theme-btn,
    .music-btn,
    .delete-btn,
    .advanced-btn {
        width: 35px;
        height: 35px;
        font-size: 0.8em;
    }
    .theme-btn .fa-solid,
    .music-btn .fa-solid,
    .delete-btn .fa-solid,
    .advanced-btn .fa-solid {
        font-size: 0.8em;
    }
}