/* css/components.css */

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-speed-fast) ease-in-out;
    text-decoration: none !important;
    background-color: var(--bg-tertiary);
    color: var(--text-primary); /* Changed from text-secondary for better contrast */
    line-height: 1.5; /* Ensure consistent line height */
}
.btn:hover {
    text-decoration: none; /* Ensure no underline on hover */
}
.btn:disabled,
.btn.disabled-link { /* Combined for consistent disabled appearance */
    pointer-events: none;
    opacity: 0.65;
    cursor: not-allowed;
    box-shadow: none !important; /* Remove shadow on disabled */
    transform: none !important; /* Remove transform on disabled */
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-strong);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover:not(:disabled) {
    background-color: var(--border-color); /* Or a slightly darker tertiary */
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-success { background-color: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover:not(:disabled) { background-color: color-mix(in srgb, var(--success) 85%, black); border-color: color-mix(in srgb, var(--success) 85%, black); }
.btn-danger { background-color: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover:not(:disabled) { background-color: color-mix(in srgb, var(--danger) 85%, black); border-color: color-mix(in srgb, var(--danger) 85%, black); }
.btn-warning { background-color: var(--warning); color: var(--text-primary); border-color: var(--warning); }
.btn-warning:hover:not(:disabled) { background-color: color-mix(in srgb, var(--warning) 85%, black); border-color: color-mix(in srgb, var(--warning) 85%, black); }
.btn-info { background-color: var(--info); color: #fff; border-color: var(--info); }
.btn-info:hover:not(:disabled) { background-color: color-mix(in srgb, var(--info) 85%, black); border-color: color-mix(in srgb, var(--info) 85%, black); }

/* Outline Buttons */
.btn-outline-primary { color: var(--accent-primary); border-color: var(--accent-primary); background-color: transparent; }
.btn-outline-primary:hover:not(:disabled) { background-color: var(--accent-primary); color: #fff; }
/* Add other outline variants as needed (success, danger, etc.) */
.btn-outline-danger { color: var(--danger); border-color: var(--danger); background-color: transparent; }
.btn-outline-danger:hover:not(:disabled) { background-color: var(--danger); color: #fff; }
.btn-outline-secondary { color: var(--text-secondary); border-color: var(--text-muted); background-color: transparent; }
.btn-outline-secondary:hover:not(:disabled) { background-color: var(--text-muted); color: var(--bg-primary); }


.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-lg { padding: 12px 24px; font-size: 1.1rem; }
.btn-block { display: block; width: 100%; }
.btn-icon { padding: 8px; line-height: 1; } /* For buttons with only an icon */
.btn-icon.btn-sm { padding: 6px 7px; }

/* --- Forms --- */
.form-group {
    margin-bottom: 1.25rem; /* Standardized spacing */
    flex: 1;
}
.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}
.form-control {
    display: block;
    width: 100%;
    padding: 10px 12px;
    font-size: 0.95rem; /* Standardized input font size */
    line-height: 1.5;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-speed-fast) ease, box-shadow var(--transition-speed-fast) ease;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.25);
}
.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}
.form-control:disabled, .form-control[readonly] {
    background-color: var(--bg-tertiary);
    opacity: 0.7;
    cursor: not-allowed;
}
textarea.form-control {
    min-height: 100px; /* Default min height for textareas */
    resize: vertical;
}
.form-control-sm { font-size: 0.85rem; padding: 0.5rem 0.8rem; border-radius: var(--border-radius-sm); }
.form-control-lg { font-size: 1.1rem; padding: 0.75rem 1.25rem; border-radius: var(--border-radius-lg); }


/* Custom Select Arrow */
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='currentColor' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem; /* Make space for arrow */
    color: var(--text-primary); /* Ensure arrow takes current text color */
}
/* Note: The stroke color in SVG data URI is 'currentColor', so it should inherit the select's text color.
   No need for separate light/dark theme SVG if this works consistently. Test this.
   If not, revert to the previous separate SVG Data URIs for light/dark themes. */


/* Custom Checkbox (Generic) */
.custom-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.custom-checkbox + label {
    position: relative;
    padding-left: 30px; /* Space for custom checkbox */
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
}
.custom-checkbox + label::before { /* The box */
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-primary);
    transition: all var(--transition-speed-fast) ease;
}
.custom-checkbox:checked + label::before {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}
.custom-checkbox:focus + label::before {
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.25);
}
.custom-checkbox + label::after { /* The checkmark */
    content: '✔';
    position: absolute;
    left: 4px; /* Adjust for checkmark position */
    top: 50%;
    transform: translateY(-50%) scale(0);
    font-size: 14px;
    color: white;
    transition: transform var(--transition-speed-fast) ease;
}
.custom-checkbox:checked + label::after {
    transform: translateY(-50%) scale(1);
}


/* --- Cards (Generic) --- */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all var(--transition-speed-normal) ease;
    overflow: hidden; /* Good for consistency */
}
.card:hover { /* Optional global hover effect */
    /* box-shadow: 0 5px 15px var(--shadow-strong); */
    /* transform: translateY(-2px); */
}
.card-header {
    padding: 15px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-speed-normal) ease, border-color var(--transition-speed-normal) ease;
}
.card-header h1, .card-header h2, .card-header h3, .card-header h4, .card-header h5, .card-header h6 {
    margin-bottom: 0;
    font-size: 1.2rem; /* Default card header title size */
}
.card-body {
    padding: 20px;
}
.card-footer {
    padding: 15px 20px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    transition: background-color var(--transition-speed-normal) ease, border-color var(--transition-speed-normal) ease;
}


/* --- Modals (Generic) --- */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1050; /* Higher than topbar */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5); /* Dim background */
    transition: opacity var(--transition-speed-normal) ease; /* For fade in/out if used */
}
.modal.active { /* Class to show modal with transition */
    display: flex; /* Use flex to center content */
    align-items: center;
    justify-content: center;
    opacity: 1;
}
.modal-content {
    background-color: var(--bg-primary); /* Use --bg-primary (card bg) */
    padding: 25px;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 500px; /* Default max width */
    border-radius: var(--border-radius-lg);
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    margin: 20px; /* Ensure some margin on small screens */
}
.close-button {
    color: var(--text-muted);
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2rem; /* Larger close button */
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-speed-fast) ease;
}
.close-button:hover,
.close-button:focus {
    color: var(--text-primary);
    text-decoration: none;
}


/* --- Navigation (Sidebar) --- */
.sidebar-nav ul {
    padding: 0;
    margin: 0;
}
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 25px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-left: 3px solid transparent;
    transition: all var(--transition-speed-fast) ease-in-out;
}
.sidebar-nav li a .icon {
    width: 20px;
    text-align: center;
    font-style: normal;
    transition: color var(--transition-speed-fast) ease;
}
.sidebar-nav li a:hover {
    background-color: var(--bg-interactive);
    color: var(--accent-primary);
    text-decoration: none;
    border-left-color: var(--accent-primary);
    transform: translateX(3px); /* Subtle hover effect */
}
.sidebar-nav li a.active {
    color: var(--accent-primary);
    background-color: var(--bg-interactive);
    border-left-color: var(--accent-primary);
    font-weight: 600;
}
.sidebar-nav li a.active .icon {
    color: var(--accent-primary);
}
.sidebar-nav li a.disabled-link { /* Ensure this is more specific than general :hover */
    background-color: transparent !important;
    color: var(--text-muted) !important;
    border-left-color: transparent !important;
    transform: none !important;
    /* pointer-events and opacity are handled by global .disabled-link */
}

/* --- User Profile Dropdown (Topbar) --- */
.user-profile-dropdown {
    position: relative;
    display: inline-block;
}
.user-profile {
    display: flex;
    align-items: center;
    gap: 8px; /* Reduced gap */
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 10px; /* Adjusted padding */
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-speed-fast) ease;
}
.user-profile:hover {
    background-color: var(--bg-interactive);
}
.user-profile .avatar {
    width: 30px; /* Slightly smaller avatar */
    height: 30px;
    background-color: var(--accent-primary);
    color: var(--bg-primary); /* Text color for avatar initial */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}
.user-profile .fa-caret-down {
    margin-left: 3px;
    transition: transform var(--transition-speed-fast) ease;
}
.user-profile-dropdown.active .user-profile .fa-caret-down {
    transform: rotate(180deg);
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-primary); /* Card background */
    min-width: 180px; /* Increased min-width */
    box-shadow: 0 8px 16px var(--shadow-strong);
    z-index: 1001; /* Above sidebar, below modal typically */
    right: 0;
    border-radius: var(--border-radius-md); /* Consistent border radius */
    border: 1px solid var(--border-color);
    margin-top: 5px; /* Small gap from trigger */
}
.dropdown-content a {
    color: var(--text-primary); /* Use primary text color for links */
    padding: 10px 15px; /* Adjusted padding */
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: background-color var(--transition-speed-fast) ease, color var(--transition-speed-fast) ease;
}
.dropdown-content a:hover {
    background-color: var(--accent-primary);
    color: #fff; /* White text on accent background */
    text-decoration: none;
}
.user-profile-dropdown.active .dropdown-content {
    display: block;
}


/* --- Progress Bars (Generic) --- */
.progress-bar-container {
    width: 100%;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    height: 10px; /* Default small height */
    overflow: hidden;
    position: relative; /* For text overlay if needed */
}
.progress-bar-container.small-progress { height: 8px; }
.progress-bar-container.large-progress { height: 16px; } /* For unit cards */

.progress-bar {
    height: 100%;
    background-color: var(--accent-primary); /* Default color */
    border-radius: inherit; /* Inherit from container */
    transition: width var(--transition-speed-slow) ease-in-out, background-color var(--transition-speed-normal) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem; /* Default for text inside bar */
    font-weight: 500;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.2); /* Slight shadow for readability */
    overflow: hidden; /* Hide text if bar is too narrow */
}
/* Status color classes for progress bars */
.progress-bar.bg-success, .progress-fill.bg-success { background-color: var(--success) !important; }
.progress-bar.bg-info, .progress-fill.bg-info { background-color: var(--info) !important; }
.progress-bar.bg-warning, .progress-fill.bg-warning { background-color: var(--warning) !important; color: var(--text-primary) !important; }
.progress-bar.bg-danger, .progress-fill.bg-danger { background-color: var(--danger) !important; }
.progress-bar.bg-primary, .progress-fill.bg-primary { background-color: var(--accent-primary) !important; }
.progress-bar.bg-secondary, .progress-fill.bg-secondary { background-color: var(--text-muted) !important; opacity: 0.5; }
.progress-fill.bg-success { background-color: var(--success) !important; }
.progress-fill.bg-info { background-color: var(--info) !important; }
.progress-fill.bg-warning { background-color: var(--warning) !important; color: var(--text-primary) !important; } /* Darker text on warning */
.progress-fill.bg-danger { background-color: var(--danger) !important; }
.progress-fill.bg-primary { background-color: var(--accent-primary) !important; } /* If using primary for 'good' */
.progress-fill.bg-revising { background-color: var(--revising) !important; color: var(--text-primary) !important; } /* Specific for revising */


/* Badges (Generic, if not using Bootstrap) */
.badge {
    display: inline-block;
    padding: .35em .65em; /* Adjusted padding */
    font-size: .75em;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
    background-color: var(--text-muted); /* Default badge color */
    color: var(--bg-primary); /* Default text color on badge */
}
.badge.badge-light { background-color: var(--bg-tertiary); color: var(--text-secondary); }
.badge.badge-success { background-color: var(--success); color: #fff; }
/* Add other badge color variants as needed */

/* Outline Badges */
.badge-outline-primary { border: 1px solid var(--accent-primary); color: var(--accent-primary); background-color: transparent; }
/* Add other outline badge variants */