/*
 * 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;

    /* Kanban specific colors */
    --column-bg-color: rgba(255, 255, 255, 0.3);
    --column-border-color: rgba(255, 255, 255, 0.15);
    --todo-header-color: #585858;
    --in-progress-header-color: #f2a63b;
    --done-header-color: #5cb85c;
}

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;

    /* Kanban specific colors for dark mode */
    --column-bg-color: rgba(0, 0, 0, 0.25);
    --column-border-color: rgba(255, 255, 255, 0.08);
    --todo-header-color: #b0b0b0;
    --in-progress-header-color: #ffc107;
    --done-header-color: #1ab76e;
}

/* --- 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 (Kanban Board Container) --- */
.kanban-board {
    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: 1200px;
    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;
}

#in-progress-counter-group.in-progress-hidden {
    display: none;
}

.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 Classic Button --- */
.classic-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;
}

.classic-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;
}

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

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

/* --- TODO ITEM CARD (Task Card) --- */
.todo-item {
    background: var(--input-bg-color);
    border: 1px solid var(--card-border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-top: 3px;
    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);
    cursor: grab;
}

.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 {
    display: none;
}

.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 {
    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;
}

/* --- KANBAN BOARD SPECIFIC STYLES --- */
.kanban-columns {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
}

.kanban-column {
    flex: 1;
    min-width: 280px;
    background: var(--column-bg-color);
    border: 1px solid var(--column-border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    max-height: 70vh;
}

.column-title {
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
    padding: 0.5rem;
	border-radius: 12px;
    border-bottom: 1px solid var(--column-border-color);
    position: sticky;
    top: 0;
    background: var(--column-bg-color);
    z-index: 10;
}

/* Specific colors for column titles */
#todo-column .column-title {
    color: var(--todo-header-color);
}
#in-progress-column .column-title {
    color: var(--in-progress-header-color);
}
#done-column .column-title {
    color: var(--done-header-color);
}

.kanban-list {
    flex-grow: 1;
    min-height: 100px;
    padding-right: 5px;
    overflow-y: auto;
}

/* Style for empty columns */
.kanban-list:empty:before {
    content: "Drag tasks here or add a new one!";
    display: block;
    text-align: center;
    color: var(--font-color);
    opacity: 0.4;
    margin-top: 2rem;
    font-style: italic;
}

/* SortableJS ghost and chosen item styles */
.sortable-ghost {
    opacity: 0.2;
    background-color: var(--primary-btn-bg) !important;
    border: 1px dashed var(--primary-btn-hover-bg) !important;
}

.sortable-chosen {
    box-shadow: 0 0 0 2px var(--primary-btn-bg);
}

/* --- 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: 992px) {
    .kanban-columns {
        flex-direction: column;
        align-items: center;
    }

    .kanban-column {
        width: 90%;
        max-width: 500px;
        margin-bottom: 1.5rem;
        max-height: unset;
    }
}

@media (max-width: 576px) {
    .kanban-board {
        padding: 1.5rem;
    }
    .kanban-column {
        width: 100%;
    }
    header {
        flex-direction: column;
        align-items: flex-start !important;
    }
    header h1 {
        margin-bottom: 1rem;
    }
}

@media (max-width: 900px) {
    .kanban-board {
        padding: 1.5rem;
    }
    .pomodoro-timer-wrapper {
        margin-top: 0 !important;
    }
    .logo {
        width: 25px;
    }
}

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

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