/* =============================================
   app.css — Global Styles
   StaffTrack — Clock In/Out System
   ============================================= */

/* ---- Variables ---- */
:root {
    --color-primary:        #1B4FD8;
    --color-primary-light:  #E8F0FE;
    --color-primary-dark:   #1440B0;

    --color-success:        #16A34A;
    --color-success-light:  #DCFCE7;
    --color-warning:        #D97706;
    --color-warning-light:  #FEF3C7;
    --color-danger:         #DC2626;
    --color-danger-light:   #FEE2E2;
    --color-neutral:        #64748B;
    --color-neutral-light:  #F1F5F9;

    --color-bg:             #F8FAFC;
    --color-surface:        #FFFFFF;
    --color-border:         #E2E8F0;
    --color-border-dark:    #CBD5E1;

    --color-text-primary:   #0F172A;
    --color-text-secondary: #64748B;
    --color-text-muted:     #94A3B8;

    --font-main:  'DM Sans', sans-serif;
    --font-mono:  'DM Mono', monospace;

    --radius-sm:  6px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  16px;

    --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 6px rgba(0,0,0,0.07);

    --sidebar-width: 230px;
    --topbar-height: 52px;
    --footer-height: 48px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-main); background: var(--color-bg); color: var(--color-text-primary); font-size: 14px; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
button { font-family: var(--font-main); cursor: pointer; }
input, select, textarea { font-family: var(--font-main); }

/* ---- Layout ---- */
#app-wrapper          { display: flex; min-height: 100vh; }
#main-panel           { flex: 1; display: flex; flex-direction: column; min-width: 0; margin-left: var(--sidebar-width); }
#main-content         { flex: 1; padding: 20px 24px; }

/* ---- Sidebar ---- */
#sidebar              { width: var(--sidebar-width); background: var(--color-surface); border-right: 1px solid var(--color-border); position: fixed; top: 0; left: 0; height: 100vh; display: flex; flex-direction: column; z-index: 100; }
#sidebar-brand        { padding: 16px; border-bottom: 1px solid var(--color-border); }
#sidebar-logo         { display: flex; align-items: center; gap: 10px; }
#sidebar-logo-icon    { width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; color: #fff; flex-shrink: 0; }
#sidebar-logo-name    { font-size: 15px; font-weight: 600; color: var(--color-text-primary); }
#sidebar-logo-sub     { font-size: 11px; color: var(--color-text-muted); }
#sidebar-nav          { padding: 12px 8px; flex: 1; overflow-y: auto; }
.nav-section-label    { font-size: 10px; color: var(--color-text-muted); padding: 10px 10px 4px; letter-spacing: 0.7px; text-transform: uppercase; }
.nav-item             { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius-md); font-size: 13px; color: var(--color-text-secondary); transition: all 0.15s; margin-bottom: 2px; }
.nav-item:hover       { background: var(--color-neutral-light); color: var(--color-text-primary); }
.nav-item--active     { background: var(--color-primary-light); color: var(--color-primary); font-weight: 500; }
.nav-item-icon        { width: 16px; text-align: center; font-size: 14px; }
#sidebar-footer       { padding: 12px; border-top: 1px solid var(--color-border); }
#sidebar-user         { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.sidebar-user-avatar  { width: 30px; height: 30px; border-radius: 50%; background: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 600; color: #fff; flex-shrink: 0; }
.sidebar-user-name    { font-size: 12px; font-weight: 500; color: var(--color-text-primary); }
.sidebar-user-role    { font-size: 10px; color: var(--color-text-muted); }
#logout-btn           { width: 100%; padding: 7px; border-radius: var(--radius-md); border: 1px solid var(--color-border); background: transparent; font-size: 12px; color: var(--color-text-secondary); transition: all 0.15s; }
#logout-btn:hover     { background: var(--color-danger-light); color: var(--color-danger); border-color: var(--color-danger); }

/* ---- Topbar ---- */
#topbar               { height: var(--topbar-height); background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
#topbar-left          { display: flex; align-items: center; gap: 12px; }
#topbar-title         { font-size: 15px; font-weight: 600; color: var(--color-text-primary); }
#topbar-breadcrumb    { font-size: 12px; color: var(--color-text-muted); }
#topbar-right         { display: flex; align-items: center; gap: 12px; }
#topbar-live-badge    { display: flex; align-items: center; gap: 5px; background: var(--color-success-light); color: var(--color-success); font-size: 11px; font-weight: 500; padding: 3px 10px; border-radius: 20px; }
#topbar-live-dot      { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); }
#topbar-clock         { font-size: 12px; color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }

/* ---- Footer ---- */
#main-footer          { height: var(--footer-height); background: var(--color-surface); border-top: 1px solid var(--color-border); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
#footer-left          { font-size: 12px; color: var(--color-text-muted); }
#footer-right         { font-size: 12px; color: var(--color-text-muted); }

/* ---- Alerts ---- */
.alert                { padding: 10px 16px; border-radius: var(--radius-md); margin-bottom: 16px; font-size: 13px; display: flex; align-items: center; gap: 10px; }
.alert-success        { background: var(--color-success-light); color: var(--color-success); border: 1px solid #bbf7d0; }
.alert-error          { background: var(--color-danger-light); color: var(--color-danger); border: 1px solid #fecaca; }
.alert-warning        { background: var(--color-warning-light); color: var(--color-warning); border: 1px solid #fde68a; }