/* ═══════════════════════════════════════════════════════════
   TidalWaves Payroll — Futuristic Space-Tech Theme
   ═══════════════════════════════════════════════════════════ */

/* ── Root Variables ───────────────────────────────────────── */
:root {
    --bg:             #020c1b;
    --bg-surface:     #071525;
    --bg-card:        rgba(7, 21, 37, 0.85);
    --bg-input:       rgba(0, 10, 24, 0.7);

    --cyan:           #00d4ff;
    --cyan-soft:      rgba(0, 212, 255, 0.12);
    --cyan-border:    rgba(0, 212, 255, 0.2);
    --cyan-glow:      0 0 24px rgba(0, 212, 255, 0.35);
    --cyan-glow-sm:   0 0 12px rgba(0, 212, 255, 0.25);

    --purple:         #8b5cf6;
    --purple-soft:    rgba(139, 92, 246, 0.12);
    --purple-glow:    0 0 24px rgba(139, 92, 246, 0.35);

    --green:          #10d9a0;
    --green-soft:     rgba(16, 217, 160, 0.12);
    --green-glow:     0 0 24px rgba(16, 217, 160, 0.35);

    --red:            #ff4d6a;
    --red-soft:       rgba(255, 77, 106, 0.12);

    --yellow:         #fbbf24;

    --text:           #c8d8ea;
    --text-bright:    #e8f4ff;
    --text-dim:       #4a6882;
    --border:         rgba(0, 212, 255, 0.15);
    --border-hover:   rgba(0, 212, 255, 0.45);
}

/* ── Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse at 15% 15%, rgba(0, 212, 255, 0.06) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 85%, rgba(139, 92, 246, 0.06) 0%, transparent 55%);
    color: var(--text);
    font-family: 'Space Grotesk', 'Rajdhani', system-ui, sans-serif;
    min-height: 100vh;
}

/* Subtle tech grid overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    z-index: 0;
}

.navbar { position: relative; z-index: 100; }
.container-fluid, footer { position: relative; }

/* ── Bootstrap Dark Mode Overrides ───────────────────────── */
[data-bs-theme="dark"] {
    --bs-body-bg:          var(--bg);
    --bs-body-color:       var(--text);
    --bs-card-bg:          var(--bg-card);
    --bs-border-color:     var(--border);
    --bs-secondary-bg:     var(--bg-surface);
    --bs-tertiary-bg:      rgba(0, 20, 40, 0.6);
    --bs-primary:          var(--cyan);
    --bs-primary-rgb:      0, 212, 255;
    --bs-link-color:       var(--cyan);
    --bs-link-hover-color: #5de8ff;
    --bs-table-bg:         transparent;
    --bs-table-hover-bg:   rgba(0, 212, 255, 0.04);
    --bs-table-border-color: rgba(0, 212, 255, 0.08);
}

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
    background: rgba(2, 12, 27, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 rgba(0, 212, 255, 0.1), 0 4px 24px rgba(0, 0, 0, 0.5);
    padding: .75rem 1.5rem;
}

.navbar-brand {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: .95rem;
    letter-spacing: .08em;
    color: var(--cyan) !important;
    text-shadow: var(--cyan-glow-sm);
    text-decoration: none;
}

.navbar-brand i { filter: drop-shadow(0 0 6px var(--cyan)); }

.nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: .875rem;
    letter-spacing: .03em;
    padding: .4rem .75rem !important;
    border-radius: 6px;
    transition: all .2s;
    position: relative;
}

.nav-link:hover {
    color: var(--cyan) !important;
    background: var(--cyan-soft);
}

.nav-link.active {
    color: var(--cyan) !important;
    background: var(--cyan-soft);
    text-shadow: var(--cyan-glow-sm);
}

.dropdown-menu {
    background: rgba(4, 16, 32, 0.97);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,.5), var(--cyan-glow);
    padding: .4rem;
}

.dropdown-item {
    color: var(--text);
    border-radius: 6px;
    font-size: .875rem;
    padding: .5rem .85rem;
    transition: all .15s;
}

.dropdown-item:hover { background: var(--cyan-soft); color: var(--cyan); }
.dropdown-item.text-danger:hover { background: var(--red-soft); color: var(--red) !important; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--bg-card) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border) !important;
    border-radius: 14px !important;
    box-shadow: 0 4px 24px rgba(0,0,0,.4);
    transition: border-color .25s, box-shadow .25s;
}

.card:hover {
    border-color: var(--border-hover) !important;
    box-shadow: 0 4px 32px rgba(0,0,0,.5), var(--cyan-glow-sm);
}

.card-header {
    background: rgba(0, 212, 255, 0.04) !important;
    border-bottom: 1px solid var(--border) !important;
    color: var(--text-bright);
    font-weight: 600;
    letter-spacing: .03em;
    border-radius: 14px 14px 0 0 !important;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    font-weight: 600;
    letter-spacing: .04em;
    border-radius: 8px;
    transition: all .2s;
    font-size: .875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #0099cc, var(--cyan));
    border: none;
    color: #020c1b !important;
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--cyan), #5de8ff);
    box-shadow: var(--cyan-glow);
    transform: translateY(-1px);
    color: #020c1b !important;
}

.btn-success {
    background: linear-gradient(135deg, #0aa87a, var(--green));
    border: none;
    color: #020c1b !important;
    box-shadow: 0 0 16px rgba(16, 217, 160, 0.25);
}
.btn-success:hover {
    box-shadow: var(--green-glow);
    transform: translateY(-1px);
    color: #020c1b !important;
}

.btn-danger {
    background: linear-gradient(135deg, #cc2244, var(--red));
    border: none;
    color: #fff !important;
}
.btn-danger:hover { box-shadow: 0 0 16px rgba(255,77,106,.4); transform: translateY(-1px); }

.btn-outline-primary {
    border: 1px solid var(--cyan-border);
    color: var(--cyan) !important;
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--cyan-soft);
    border-color: var(--cyan);
    box-shadow: var(--cyan-glow-sm);
    color: var(--cyan) !important;
}

.btn-outline-secondary {
    border: 1px solid var(--border);
    color: var(--text) !important;
    background: transparent;
}
.btn-outline-secondary:hover {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.25);
    color: var(--text-bright) !important;
}

.btn-outline-success {
    border: 1px solid rgba(16,217,160,.3);
    color: var(--green) !important;
    background: transparent;
}
.btn-outline-success:hover { background: var(--green-soft); border-color: var(--green); box-shadow: var(--green-glow); }

.btn-outline-danger {
    border: 1px solid rgba(255,77,106,.3);
    color: var(--red) !important;
    background: transparent;
}
.btn-outline-danger:hover { background: var(--red-soft); border-color: var(--red); }

.btn-outline-warning {
    border: 1px solid rgba(251,191,36,.3);
    color: var(--yellow) !important;
    background: transparent;
}
.btn-outline-warning:hover { background: rgba(251,191,36,.1); border-color: var(--yellow); }

.btn-lg { padding: .65rem 1.5rem; font-size: .95rem; }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-xs { padding: .15rem .45rem; font-size: .75rem; border-radius: 5px; }

/* ── Forms ────────────────────────────────────────────────── */
.form-control,
.form-select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-bright) !important;
    border-radius: 8px;
    font-size: .875rem;
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--cyan) !important;
    box-shadow: 0 0 0 3px rgba(0,212,255,.15), var(--cyan-glow-sm) !important;
    background: rgba(0, 212, 255, 0.04) !important;
    color: var(--text-bright) !important;
}
.form-control::placeholder { color: var(--text-dim); }
.form-label { color: var(--text); font-weight: 500; font-size: .875rem; margin-bottom: .4rem; }
.form-text  { color: var(--text-dim); font-size: .78rem; }

/* Dropdown options — browsers render these natively, force dark bg + bright text */
.form-select option,
select option {
    background-color: #071525;
    color: #e8f4ff;
}
.form-select option:checked,
select option:checked {
    background-color: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
}
/* Also fix the select arrow colour in dark mode */
.form-select {
    --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2300d4ff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* ── Tables ───────────────────────────────────────────────── */
.table {
    color: var(--text);
    border-color: rgba(0,212,255,.07);
}
.table th {
    color: var(--cyan);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    border-bottom: 1px solid var(--border) !important;
    background: rgba(0,212,255,.04);
    padding: .75rem 1rem;
}
.table td { border-color: rgba(0,212,255,.06); padding: .75rem 1rem; vertical-align: middle; }
.table-hover tbody tr:hover { background: rgba(0,212,255,.04) !important; }
.table-light { --bs-table-bg: rgba(0,212,255,.04); color: var(--cyan); }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    font-weight: 600;
    letter-spacing: .05em;
    font-size: .7rem;
    padding: .35em .7em;
    border-radius: 20px;
}
.bg-success       { background: var(--green-soft) !important; color: var(--green) !important; border: 1px solid rgba(16,217,160,.3); }
.bg-warning       { background: rgba(251,191,36,.12) !important; color: var(--yellow) !important; border: 1px solid rgba(251,191,36,.3); }
.bg-danger        { background: var(--red-soft) !important; color: var(--red) !important; border: 1px solid rgba(255,77,106,.3); }
.bg-secondary     { background: rgba(255,255,255,.07) !important; color: var(--text-dim) !important; border: 1px solid rgba(255,255,255,.1); }
.bg-primary       { background: var(--cyan-soft) !important; color: var(--cyan) !important; border: 1px solid var(--cyan-border); }
.bg-success-subtle { background: var(--green-soft) !important; color: var(--green) !important; }
.bg-primary-subtle { background: var(--cyan-soft) !important; color: var(--cyan) !important; }
.bg-warning-subtle { background: rgba(251,191,36,.1) !important; color: var(--yellow) !important; }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    border-radius: 10px;
    border: 1px solid;
    font-size: .875rem;
}
.alert-success { background: var(--green-soft); border-color: rgba(16,217,160,.3); color: var(--green); }
.alert-danger   { background: var(--red-soft);   border-color: rgba(255,77,106,.3); color: var(--red); }
.alert-warning  { background: rgba(251,191,36,.1); border-color: rgba(251,191,36,.3); color: var(--yellow); }
.alert-info     { background: var(--cyan-soft);  border-color: var(--cyan-border);  color: var(--cyan); }
.btn-close { filter: invert(1) brightness(.6); }

/* ── Dashboard Stats ──────────────────────────────────────── */
.stat-card {
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    opacity: .05;
    pointer-events: none;
}
.stat-card.cyan::after  { background: var(--cyan); }
.stat-card.green::after { background: var(--green); }
.stat-card.purple::after{ background: var(--purple); }

.stat-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.stat-icon.cyan   { background: var(--cyan-soft);   color: var(--cyan);   box-shadow: var(--cyan-glow-sm); }
.stat-icon.green  { background: var(--green-soft);  color: var(--green);  box-shadow: var(--green-glow); }
.stat-icon.purple { background: var(--purple-soft); color: var(--purple); box-shadow: var(--purple-glow); }

.stat-number {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    line-height: 1;
}
.stat-label {
    color: var(--text-dim);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: .25rem;
}

/* ── Page Titles ──────────────────────────────────────────── */
h3.page-title, .page-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: .05em;
}

h3, h4, h5 { color: var(--text-bright); }

/* ── Dividers & HR ────────────────────────────────────────── */
hr { border-color: var(--border); opacity: 1; }

/* ── Company Logo in card ─────────────────────────────────── */
.company-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px;
    background: rgba(0,212,255,.04);
    flex-shrink: 0;
}
.company-logo-placeholder {
    width: 56px;
    height: 56px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cyan-soft);
    flex-shrink: 0;
    color: var(--text-dim);
}

/* ── Asset Upload Boxes ───────────────────────────────────── */
.asset-box {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 130px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-input);
    padding: 14px;
    position: relative;
    transition: border-color .2s, box-shadow .2s;
}
.asset-box--empty { border-style: dashed; }
.asset-box:hover  { border-color: var(--cyan-border); box-shadow: var(--cyan-glow-sm); }
.asset-box__empty-label { text-align: center; color: var(--text-dim); }
.asset-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    background: var(--green-soft);
    color: var(--green);
    border: 1px solid rgba(16,217,160,.3);
}
.asset-badge.new { background: var(--cyan-soft); color: var(--cyan); border-color: var(--cyan-border); }

/* ── Payroll entry totals ─────────────────────────────────── */
#grossDisplay, #netPayDisplay, #deductionsDisplay {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    color: var(--cyan);
    text-shadow: var(--cyan-glow-sm);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,.5); }

/* ── Misc ─────────────────────────────────────────────────── */
.text-cyan   { color: var(--cyan) !important; }
.text-purple { color: var(--purple) !important; }
.min-w-0     { min-width: 0; }
.text-truncate { max-width: 100%; }
.border-top  { border-color: var(--border) !important; }

/* ── Responsive tweaks ────────────────────────────────────── */
@media (max-width: 767px) {
    .stat-number { font-size: 1.6rem; }
    .navbar-brand { font-size: .82rem; }
}