*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #1a1a2e;
    --accent: #0f3460;
    --accent-light: #16537e;
    --bg: #f0f2f5;
    --card: #ffffff;
    --text: #1a1a2e;
    --text-light: #6c757d;
    --border: #dee2e6;
    --success: #27ae60;
    --warning: #f39c12;
    --error: #e74c3c;
    --radius: 10px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.login-card { background: var(--card); padding: 2rem; border-radius: var(--radius); box-shadow: 0 4px 20px rgba(0,0,0,0.1); width: 100%; max-width: 360px; }
.login-card h1 { text-align: center; margin-bottom: 0.25rem; font-size: 1.5rem; }
.login-subtitle { text-align: center; color: var(--text-light); font-size: 0.85rem; margin-bottom: 1.5rem; }

/* Forms */
.form-group { margin-bottom: 0.75rem; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--text-light); margin-bottom: 0.2rem; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.6rem 0.8rem; border: 1.5px solid var(--border); border-radius: 6px;
    font-size: 0.9rem; outline: none; transition: border-color 0.2s; text-transform: uppercase;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }

/* Buttons */
.btn { padding: 0.55rem 1.2rem; border: none; border-radius: 6px; cursor: pointer; font-size: 0.85rem; font-weight: 600; transition: opacity 0.15s; }
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--error); color: white; }
.btn-full { width: 100%; padding: 0.7rem; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

/* Error */
.error-msg { background: #fdecea; color: var(--error); padding: 0.5rem; border-radius: 6px; font-size: 0.8rem; text-align: center; margin-top: 0.75rem; }
.hidden { display: none !important; }

/* App layout */
.app-header { background: var(--primary); color: white; padding: 0.75rem 1.25rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; }
.app-header h1 { font-size: 1.1rem; font-weight: 700; }
.header-user { display: flex; align-items: center; gap: 0.75rem; }
.header-user-name { font-size: 0.8rem; opacity: 0.9; }
.user-menu-wrapper { position: relative; }
.user-menu-btn { display: flex; align-items: center; gap: 0.5rem; background: none; border: none; color: white; cursor: pointer; padding: 0.25rem; border-radius: 6px; transition: background 0.2s; }
.user-menu-btn:hover { background: rgba(255,255,255,0.1); }
.user-avatar-circle { width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 700; }
.user-dropdown { position: absolute; top: 100%; right: 0; margin-top: 0.4rem; background: var(--card); border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.15); min-width: 180px; overflow: hidden; z-index: 200; }
.dropdown-item { display: block; width: 100%; padding: 0.6rem 1rem; border: none; background: none; text-align: left; font-size: 0.8rem; cursor: pointer; transition: background 0.15s; color: var(--text); }
.dropdown-item:hover { background: var(--bg); }
.dropdown-logout { color: var(--error); border-top: 1px solid var(--border); }

/* Navigation */
.app-nav { background: var(--card); border-bottom: 1px solid var(--border); padding: 0 0.5rem; display: flex; gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.nav-btn { padding: 0.65rem 0.8rem; border: none; background: none; cursor: pointer; font-size: 0.75rem; font-weight: 600; color: var(--text-light); border-bottom: 2.5px solid transparent; white-space: nowrap; transition: color 0.2s; }
.nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.nav-btn:hover { color: var(--accent); }

/* Content */
.app-content { padding: 1rem; max-width: 900px; margin: 0 auto; }
.card { background: var(--card); border-radius: var(--radius); padding: 1rem; box-shadow: 0 1px 4px rgba(0,0,0,0.06); margin-bottom: 1rem; }
.card h3 { font-size: 0.95rem; margin-bottom: 0.75rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th { background: var(--bg); padding: 0.5rem; text-align: left; font-size: 0.72rem; text-transform: uppercase; color: var(--text-light); }
td { padding: 0.5rem; border-top: 1px solid var(--border); }

/* Badges */
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 10px; font-size: 0.68rem; font-weight: 700; }
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 1rem; text-align: center; box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
.stat-value { font-size: 1.4rem; font-weight: 700; }
.stat-label { font-size: 0.7rem; color: var(--text-light); text-transform: uppercase; margin-top: 0.2rem; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 1rem; }
.modal-box { background: var(--card); border-radius: var(--radius); width: 100%; max-width: 460px; max-height: 90vh; display: flex; flex-direction: column; overflow: hidden; }
.modal-header { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-header h2 { font-size: 1rem; }
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-light); }
.modal-body { padding: 1rem; overflow-y: auto; flex: 1; min-height: 0; padding-bottom: 1.5rem; }
.modal-footer { padding: 0.6rem 1rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 0.5rem; flex-shrink: 0; background: var(--card); }

/* Misc */
.money { font-weight: 700; }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--error); }
.mt-1 { margin-top: 0.5rem; }
.cat-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 0.3rem; }
.inputmode-numeric { inputmode: numeric; }

/* Responsive */
@media (max-width: 600px) {
    .app-content { padding: 0.75rem; }
    .app-header h1 { font-size: 0.95rem; }
    .header-user-name { font-size: 0.7rem; padding: 0.2rem 0.4rem; }
    .btn-logout { font-size: 0.65rem; padding: 0.25rem 0.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-value { font-size: 1.1rem; }
    .nav-btn { padding: 0.55rem 0.6rem; font-size: 0.7rem; }
    .modal-box { max-height: 100dvh; height: 100dvh; border-radius: 0; }
    .modal-body { padding-bottom: 2rem; }
    .form-group input, .form-group select { font-size: 16px !important; min-height: 40px; }
    table { font-size: 0.75rem; }
    th, td { padding: 0.4rem 0.3rem; }
    .btn-sm { padding: 0.25rem 0.4rem; font-size: 0.68rem; }
    .card { padding: 0.75rem; }
    .card h3 { font-size: 0.88rem; }
    h2 { font-size: 1.1rem; }
}