/* --- Base Variables and Theme Setup --- */
:root {
    --bg-color: #f8f9fa;
    --bg-surface-color: #fff;
    --text-color: #212529;
    --text-color-secondary: #6c757d;
    --border-color: #dee2e6;
    --link-color: #0d6efd;
    --code-bg-color: #e9ecef;
    --primary-accent-color: #0d6efd; /* Unified accent color */
}

body.dark-mode {
    --bg-color: #121212;
    --bg-surface-color: #1E1E1E;
    --text-color: #e1e1e1;
    --text-color-secondary: #8a8a8a;
    --border-color: rgba(255, 255, 255, 0.1);
    --link-color: #8ab4f8;
    --code-bg-color: #282a2d;
    --primary-accent-color: #8ab4f8;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- General Components --- */
.card {
    background-color: var(--bg-surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px; /* Softer corners */
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.card-title {
    color: var(--primary-accent-color);
    font-weight: 500;
}

body.dark-mode .card {
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.form-control, .btn {
    border-radius: 8px; /* Consistent rounded corners */
}

.form-control {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

body.dark-mode .form-control {
    background-color: var(--bg-surface-color);
}

.form-control:focus {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--primary-accent-color);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

body.dark-mode .form-control:focus {
    background-color: var(--bg-surface-color);
}

body.dark-mode .form-control::placeholder {
  color: var(--text-color-secondary);
  opacity: 1;
}

body.dark-mode .form-label,
body.dark-mode .card-subtitle.text-muted {
  color: var(--text-color) !important;
}

/* --- Layout --- */


/* --- Header & Navigation --- */
.navbar {
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .lead.text-muted {
    color: var(--text-color) !important;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

/* --- Notes Styling --- */
.note {
    background-color: var(--bg-surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.note:hover .edit-btn,
.note:hover .delete-btn {
    opacity: 1;
    transform: translateX(0);
}

.edit-btn, .delete-btn {
    position: absolute;
    top: 1rem;
    opacity: 0;
    cursor: pointer;
    font-size: 1.2rem;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.edit-btn { right: 3rem; transform: translateX(10px); }
.delete-btn { right: 1rem; transform: translateX(10px); }
.delete-btn:hover { color: var(--bs-danger); }
.edit-btn:hover { color: var(--primary-accent-color); }

.date-header {
    color: var(--text-color-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.note-content a {
    color: var(--link-color);
    word-break: break-all; /* Break long URLs */
}

.note-footer {
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
    padding-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-color-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.note-meta { margin-left: auto; }

/* --- Tags and Filtering --- */
#tag-cloud-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem; /* Increased gap */
    margin-bottom: 2rem;
}

.tag-badge {
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: var(--code-bg-color);
    color: var(--text-color-secondary);
    border: 1px solid transparent;
    padding: 0.4em 0.8em;
    font-size: 0.9rem;
}

.tag-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-color: var(--primary-accent-color);
    color: var(--primary-accent-color);
}

.tag-badge.active {
    background-color: var(--primary-accent-color);
    color: #fff;
    border-color: var(--primary-accent-color);
}

.active-filter-pill {
    background-color: var(--primary-accent-color);
    color: #fff;
}

.active-filter-pill i { cursor: pointer; }

/* --- Animations --- */
.note-entering { animation: fadeIn 0.5s ease-out; }
.note-exiting { animation: fadeOut 0.5s ease-in forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; transform: scale(0.98); } }

body.dark-mode #account-details-container p {
    color: var(--text-color);
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-color-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}