:root {
    --bg-color: #f3f4f6; /* Light gray */
    --surface-color: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
}

/* Background Animations (Hidden for Workplace theme) */
.background-orbs {
    display: none;
}

/* Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.surface-panel {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.header-titles h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.stats {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stat-box span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
}

.stat-box label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.link-btn {
    text-decoration: none;
    color: var(--accent);
    background: #eff6ff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.link-btn:hover {
    background: #dbeafe;
}

/* Forms */
form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

#client-task-form, #login-form, #client-login-form, #edit-client-form {
    flex-direction: column;
    align-items: stretch;
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
}

.input-group input {
    width: 100%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    outline: none;
    transition: all 0.2s ease;
}

.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 38px;
}

#client-task-form .btn-primary, #login-form .btn-primary {
    height: auto;
    padding: 0.75rem 1rem;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

/* Table Design */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.task-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.task-table th, .task-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.task-table th {
    background: #f9fafb;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.task-table tbody tr:hover {
    background-color: #f9fafb;
}

.completed-row td {
    opacity: 0.6;
}

.completed-row td strong {
    text-decoration: line-through;
    color: var(--text-muted);
}

.status-cell {
    width: 50px;
    text-align: center;
}

.badge-client {
    background: #fef3c7;
    color: #b45309;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-weight: 500;
}

.text-muted {
    color: var(--text-muted);
}

.text-link {
    color: var(--accent);
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}

.quote-tooltip {
    cursor: help;
    color: #4b5563;
    border-bottom: 1px dotted #4b5563;
}

.checkbox-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.checkbox-wrapper input {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent);
}

.checkbox-wrapper input.paid-check {
    accent-color: var(--success);
}

.delete-btn, .decline-btn, .edit-btn {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.edit-btn {
    border: 1px solid var(--accent);
    color: var(--accent);
}

.delete-btn:hover, .decline-btn:hover {
    background: var(--danger);
    color: white;
}

.edit-btn:hover {
    background: var(--accent);
    color: white;
}

/* Login Overlay */
.login-overlay {
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100vw; 
    height: 100vh; 
    background: rgba(17, 24, 39, 0.5); 
    backdrop-filter: blur(4px);
    z-index: 100; 
    display: flex; 
    justify-content: center; 
    align-items: center;
}

.login-overlay .surface-panel {
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

@media (max-width: 768px) {
    form {
        flex-direction: column;
        align-items: stretch;
    }
    .stats {
        flex-direction: column;
        align-items: flex-start;
    }
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}