/* Themes */
/* Default Green Theme */
:root, [data-theme="green"] {
    --bg-main: #0A392A;
    --bg-card: #2D3A3A;
    --accent: #50D99C;
    --accent-glow: #50D99C55;
    --accent-dark: #4CAF50;
    --text: #FCFFFC;
}

/* Deep Space Theme (Blue/Purple) */
[data-theme="space"] {
    --bg-main: #0B0E14;
    --bg-card: #1C222D;
    --accent: #70A1FF;
    --accent-glow: #70A1FF55;
    --accent-dark: #1E90FF;
    --text: #F1F2F6;
}

/* Crimson Night Theme (Red) */
[data-theme="crimson"] {
    --bg-main: #1A0505;
    --bg-card: #2D1B1B;
    --accent: #FF5E5E;
    --accent-glow: #FF5E5E55;
    --accent-dark: #C0392B;
    --text: #FFF0F0;
}

/* Watermelon Theme */
[data-theme="watermelon"] {
    --bg-main: #2BA84A;
    --bg-card: #0A392A;
    --accent: #FF5E7E;
    --accent-glow: #FF5E7E55;
    --accent-dark: #FF595E;
    --text: #F7FFF7;
}

/* Light Theme (Classic) */
[data-theme="light"] {
    --bg-main: #F4F7F6;
    --bg-card: #FFFFFF;
    --accent: #69A7F2;
    --accent-glow: #69A7F255;
    --accent-dark: #1E7AEB;
    --text: #333333;
}

/* Dark Theme (Modern) */
[data-theme="dark-modern"] {
    --bg-main: #121212;
    --bg-card: #1E1E1E;
    --accent: #ACAFAC;
    --accent-glow: #ACAFAC55;
    --accent-dark: #8D918D;
    --text: #E1E1E1;
}

/* Purple Rain */
[data-theme="purple"] {
    --bg-main: #0F0C1D;
    --bg-card: #1B1731;
    --accent: #A066FF;
    --accent-glow: #A066FF;
    --accent-dark: #6E32C9;
    --text: #F0EDFF;
}

/* Cyber Pink */
[data-theme="pink"] {
    --bg-main: #1A0B15;
    --bg-card: #2D1424;
    --accent: #D85A99;
    --accent-glow: #D85A9955;
    --accent-dark: #DC1E7D;
    --text: #FFF0F6;
}

/* Sunset Orange */
[data-theme="orange"] {
    --bg-main: #140F0B;
    --bg-card: #261D17;
    --accent: #FF9F43;
    --accent-glow: #FF9F4355;
    --accent-dark: #FF6D33;
    --text: #FFF5EB;
}

/* Beach Theme */
[data-theme="beach"] {
    --bg-main: #24A0D8;
    --bg-card: #E6CFB8;
    --accent: #F6EC8D;
    --accent-glow:#F6EC8D55;
    --accent-dark: #24A587;
    --text: #433F1B;
}

/* Matrix Theme */
[data-theme="matrix"] {
    --bg-main: #000000;
    --bg-card: #1A1819;
    --accent: #7AFF66;
    --accent-glow:#7AFF6655;
    --accent-dark: #00FF40;
    --text: #22FF00;
}

/* Lavender Fields */
[data-theme="lavender"] {
    --bg-card: #8000b3;
    --bg-main: #b337b3;
    --accent-dark: #ff69f5;
    --accent: #ee00ff;
    --accent-glow: #ee00ff55;
    --text: #47004d;
}

/* BSOD */
[data-theme="bsod"] {
    --bg-card: #0041d9;
    --accent: #edffff;
    --accent-glow: #edffff55;
    --text: #f0ffff;
    --accent-dark: #f7f9ff;
    --bg-main: #040075;
}

[data-theme="cotton-candy"] {
    --bg-card: #ffb8f7;
    --accent: #ea70ff;
    --accent-glow: #ea70ff;
    --bg-main: #00ccff;
    --accent-dark: #5776ff;
    --text: #8f57ff;
}

[data-theme="mint-chocolate"] {
    --bg-card: #2ffaba;
    --bg-main: #198563;
    --accent-dark: #543928;
    --accent: #703f2a;
    --accent-glow: #703f2a55;
    --text: #362210;
}

/* box-sizing */
* {
    box-sizing: border-box;
}
/* Main Body Attributes */
body {
    background: var(--bg-card);
    color: var(--text);
    font-family: sans-serif;
    font-size: 16px;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 15px;
    box-sizing: border-box;
}

/* Container */
.container {
    width: 100%;
    margin: 0 auto;
}

/* Input Customization */
input {
    field-sizing: content;
    min-width: 30%;
    display: block;
    margin-bottom: 5px;
    font-size: 16px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--accent-dark);
}

@media (max-width: 600px) {
    input {
        min-width: 100%;
        padding: 8px;
    }
}

#login-section input{
    background: var(--accent);
    color: var(--bg-card);
}

#login-section, #task-form {
    margin-bottom: 20px;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    padding: 12px 16px;
    margin-bottom: 10px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    min-width: 200px;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    background: #4CAF50;
}

.toast.error {
    background: #f44336;
}

.toast.info {
    background: #333;
}

/* AI Loading Spinner */
#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

#ai-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text);
    background: var(--bg-main);
    padding: 20px;
    border: 1px solid var(--accent-dark);
    border-radius: 12px;
    box-shadow: 5px 5px 20px 3px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 2000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top: 4px solid #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Password Input */
#password-info {
    display: none;
}

#password:focus ~ #password-info {
    display: block;
}

/* Button Customization */
button {
    background-color: var(--accent-dark);
    color: var(--bg-card);
    border: none;
    border-bottom: 1px solid var(--bg-card);
    border-radius: 10px;
    padding: 8px;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: inline-block;
    vertical-align: top;
}

button:hover {
    background-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(2px);
    border-bottom-width: 1px;
}

@media (min-width: 600px) {
    button {
        padding: 3px;
        border-radius: 3px;
        font-size: 14px;
    }
}

button.active {
    transform: scale(0.95);
}

/* Sortable Drag item */
.drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    cursor: grab;
    margin-right: 5px;
    font-size: 18px;
    color: var(--text);
    user-select: none;
    touch-action: none;
}

.drag-handle .icon svg {
    display: block;
    margin: 0;
    position: relative;
    top: -1px;
}

.drag-handle:active {
    cursor: grabbing;
}

.drag-ghost {
    opacity: 0.4 !important;
    background: #e0e0e0 !important;
    border: 2px dashed #aaa !important;
}

.drag-dragging {
    opacity: 0.8 !important;
    background: #0D4D3A !important;
    transform: rotate(2deg) scale(1.05) !important;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2) !important;
    transform: scale(1.02) !important;
}

.drag-chosen {
    background: var(--bg-main);
}

/* Checkbox Customization */
input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
    cursor: pointer;
    background-color: #fff;
    margin: 0;
    padding: 0;
    font: inherit;
    color: currentColor;
    width: 24px !important;
    height: 24px !important;
    min-width: 24px !important;
    border: 0.15em solid currentColor;
    border-radius: 0.15em;
    transform: translateY(-0.075em);
    display: grid;
    place-content: center;
}

input[type="checkbox"]::before {
    content: "";
    width: 0.85em;
    height: 0.85em;
    background-color: var(--accent-dark);
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--accent-dark);
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
}

.form-control + .form-control {
    margin-top: 1em;
}

/* Create Tasks */
#fab-add-task {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: var(--accent);
    color: var(--bg-main);
    font-size: 32px;
    font-weight: bold;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    z-index: 999;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

#fab-add-task::before {
    content: "+";
}

#fab-add-task.open::before {
    content: "X";
}

#fab-add-task:active {
    transform: scale(0.9);
}

#task-form {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 400px;
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    border: 2px solid var(--accent);
    z-index: 1002;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
}

#task-form-button {
    margin-top: 5px;
    margin-bottom: 5px;
}

#task-form input {
    width: 100%;
    max-width: 745px;
    margin: 8px 0;
    padding: 12px;
    font-size: 16px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--accent-dark);
}

.close-tf-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: none !important;
    color: var(--text);
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color 0.2s ease;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: none !important;
}

/* Task Cards */
.task-card {
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    background: var(--bg-main);
    color: var(--text);
    border-top: 1px solid var(--accent-dark);
    border-right: 1px solid var(--accent-dark);
    border-bottom: 1px solid var(--accent-dark);
    border-left: 8px solid var(--accent-dark);
    border-radius: 10px;
    padding: 12px 15px;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeIn 0.4s ease forwards;
    transition: all 0.3s ease;
}

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

.task-header {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
    position: relative;
    gap: 10px;
    padding: 8px;
    box-sizing: border-box;
    cursor: pointer;
}

.left-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.center-group {
    flex: 1;
    min-width: 0;
    text-align: left;
    overflow: hidden;
}

.right-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.task-title {
    font-weight: bold;
    font-size: 18px;
    white-space: normal;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.3;
    display: block;
    padding: 2px 0;
}

.toggle-btn {
    background: none !important;
    border: none !important;
    cursor: pointer;
    font-size: 18px;
    color: var(--text);
    box-shadow: none !important;
    border-radius: none !important;
    transform: none !important;
}

.task-card:hover {
    box-shadow: 0 2px 8px #040F0F;
}

.task-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

@media (min-width: 600px) {
    .task-actions button {
        width:auto;
        height: auto;
        min-width: 100px;
        max-width: 150px;
    }
}

.task-actions button {
    flex: 1;
    min-width: 120px;
}

.ai-container {
    display: grid;
    min-width: 0;
    width:100%;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 5px;
    animation: fadeIn 0.4s ease;
}

.ai-card ul {
    /* Reset default browser padding */
    padding-left: 20px;
    margin: 10px 0;
    /* Ensure long words or URLs don't push the box out */
    word-break: break-word;
    overflow-wrap: break-word;
}

.ai-card li {
    margin-bottom: 8px;
    line-height: 1.4;
}

/* Ensure the container itself doesn't have a fixed width */
.ai-card {
    width: 100%;
    box-sizing: border-box;
    color: var(--bg-card);
    background: var(--accent-dark);
    border: 1px solid var(--bg-card);
    border-radius: 10px;
    padding: 15px;
}

@media (min-width: 600px) {
    .ai-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

.task-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.task-content input {
    width: 90%;
    margin: 8px 0;
    padding: 12px;
    font-size: 16px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--accent-dark);
}

.task-content.open {
    max-height: 2000px;
    overflow-y: auto;
}

.task-card.completed {
    border: 1px solid var(--accent-dark)!important;
    box-shadow: none !important;
    opacity: 0.95 !important;
}

.task-card.completed .task-title {
    text-decoration: line-through !important;
    color: #a19f9f !important;
}
/* Hamburger Menu */
.side-menu {
    position: fixed;
    top: 0;
    left: -250px; /* Hidden by default */
    width: 250px;
    height: 100%;
    background: var(--bg-main);
    border-left: 2px solid var(--accent-dark);
    transition: left 0.3s ease;
    z-index: 2000;
    padding: 20px;
    box-shadow: -5px 0 15px rgba(0,0,0,0.5);
}

.side-menu.open {
    left: 0;
}

.menu-btn {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border-radius: 8px;
    border: none;
    font-weight: bold;
}

.menu-btn.logout { background: #f44336; color: white;cursor: pointer; }
.menu-btn.delete { background: #8b0000; color: white;cursor: pointer; }
.menu-btn.close { background: #2D3A3A; color: white; margin-top: 40px;cursor: pointer; }

#menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--accent);
    color: var(--bg-main);
    font-size: 24px;
    border: 1px solid var(--accent-dark);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1500;      /* Higher than task cards, lower than the side menu */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

#menu-toggle:active {
    transform: scale(0.95);
}

#page-header {
    text-align: center;
    margin-top: 60px;
    color: var(--text);
}

/* Color Picker */
#picker-container {
    max-width: 250px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    border: 2px solid var(--accent);
    z-index: 1001;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
}

#exit-color-picker{
    position: absolute;
    top: 10px;
    right: 10px;
}

#color-picker-set {
    position: relative;
    left: 50%;
    transform: translate(-50%, 0);
    margin: 5px;
}

#default-color-set {
    position: relative;
    left: 50%;
    transform: translate(-50%, 0);
    margin: 5px;
}

.color-picker-btn {
    width: 24px;
    height: 24px;
    background: var(--accent-dark);
    box-shadow: none;
}

@media(max-width: 600px) {
    .color-picker-btn {
        height: 35px;
        width: 35px;
    }
}

.color-picker-btn:hover {
    background: var(--accent-dark);
    box-shadow: none;
    transition: none;
    transform: none;
}

/* Icons */
.icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}