/* ===================================================
   Kvitto Admin — Design System
   =================================================== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: rgba(17, 17, 24, 0.8);
    --bg-card-hover: rgba(25, 25, 35, 0.9);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body { min-height: 100vh; position: relative; }

/* ===================================================
   Ambient Background
   =================================================== */
.ambient-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute; border-radius: 50%; filter: blur(100px);
    opacity: 0.15; animation: float 20s infinite ease-in-out;
}
.orb-1 { width: 600px; height: 600px; background: #6366f1; top: -200px; left: -100px; }
.orb-2 { width: 400px; height: 400px; background: #8b5cf6; bottom: -100px; right: -50px; animation-delay: -7s; }
.orb-3 { width: 300px; height: 300px; background: #06b6d4; top: 40%; left: 50%; animation-delay: -13s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===================================================
   Header
   =================================================== */
.app-header {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 32px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.header-left { display: flex; align-items: center; gap: 16px; }

.logo {
    display: flex; align-items: center; gap: 12px;
}
.logo h1 {
    font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em;
}
.logo h1 span {
    color: var(--accent); font-weight: 700;
}

.status-badge {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px; border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    font-size: 0.8rem; color: var(--text-secondary);
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--warning);
    animation: pulse-dot 2s infinite;
}
.status-badge.connected .status-dot {
    background: var(--success); animation: none;
}
.status-badge.error .status-dot {
    background: var(--danger); animation: none;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ===================================================
   Main Content
   =================================================== */
.main-content {
    position: relative; z-index: 1;
    max-width: 1280px; margin: 0 auto;
    padding: 24px 32px 48px;
}

/* ===================================================
   Stats Row
   =================================================== */
.stats-row {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    display: flex; align-items: center; gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.stat-icon {
    display: flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 12px;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
}

.stat-value {
    display: block; font-size: 1.75rem; font-weight: 700;
    letter-spacing: -0.03em; line-height: 1;
}
.stat-label {
    display: block; font-size: 0.8rem; color: var(--text-secondary);
    margin-top: 4px;
}

/* ===================================================
   Content Grid
   =================================================== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 20px;
}

/* ===================================================
   Panels
   =================================================== */
.panel {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.panel-header h2 {
    font-size: 1rem; font-weight: 600;
}

.panel-body {
    padding: 8px;
    max-height: 600px;
    overflow-y: auto;
}
.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }

/* ===================================================
   Company List
   =================================================== */
.company-card {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
}
.company-card:hover {
    background: rgba(255, 255, 255, 0.03);
}

.company-info { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.company-name {
    font-weight: 600; font-size: 0.95rem;
}
.company-email {
    font-size: 0.8rem; color: var(--text-secondary);
    display: flex; align-items: center; gap: 6px;
}
.company-email svg { opacity: 0.5; }

.company-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 12px;
    font-size: 0.7rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.company-badge.active {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    color: var(--success);
}
.company-badge.inactive {
    background: color-mix(in srgb, var(--danger) 15%, transparent);
    color: var(--danger);
}

.company-actions {
    display: flex; gap: 4px; opacity: 0;
    transition: opacity var(--transition);
}
.company-card:hover .company-actions { opacity: 1; }

.btn-icon {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 8px;
    background: transparent; border: none;
    color: var(--text-secondary); cursor: pointer;
    transition: all var(--transition);
}
.btn-icon:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.btn-icon.danger:hover { background: rgba(239,68,68,0.15); color: var(--danger); }

/* ===================================================
   Submission List
   =================================================== */
.submission-card {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.submission-card:hover {
    background: rgba(255, 255, 255, 0.03);
}

.submission-type {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 10px;
    font-size: 0.65rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.submission-type.kvitto {
    background: color-mix(in srgb, #6366f1 15%, transparent);
    color: #818cf8;
}
.submission-type.faktura {
    background: color-mix(in srgb, #f59e0b 15%, transparent);
    color: #fbbf24;
}

.submission-info { display: flex; flex-direction: column; gap: 2px; }
.submission-company { font-weight: 500; font-size: 0.9rem; }
.submission-detail {
    font-size: 0.75rem; color: var(--text-secondary);
}

.submission-status {
    padding: 4px 10px; border-radius: 12px;
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.04em;
}
.submission-status.sent {
    background: color-mix(in srgb, var(--success) 12%, transparent);
    color: var(--success);
}
.submission-status.pending {
    background: color-mix(in srgb, var(--warning) 12%, transparent);
    color: var(--warning);
}
.submission-status.failed {
    background: color-mix(in srgb, var(--danger) 12%, transparent);
    color: var(--danger);
}

.submission-time {
    font-size: 0.75rem; color: var(--text-muted);
    text-align: right; white-space: nowrap;
}

.btn-resend {
    background: none; border: none;
    color: var(--accent); cursor: pointer;
    font-size: 0.75rem; font-weight: 500;
    padding: 4px 8px; border-radius: 6px;
    transition: all var(--transition);
}
.btn-resend:hover {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* ===================================================
   Buttons
   =================================================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border-radius: var(--radius-sm);
    font-size: 0.85rem; font-weight: 500; font-family: inherit;
    border: none; cursor: pointer;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--accent); color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-ghost {
    background: rgba(255,255,255,0.05); color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }

/* ===================================================
   Modal
   =================================================== */
.modal-overlay {
    position: fixed; inset: 0; z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0; pointer-events: none;
    transition: opacity 250ms ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
    width: 100%; max-width: 460px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(20px) scale(0.95);
    transition: transform 250ms ease;
}
.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 24px 28px 16px;
}
.modal-header h3 { font-size: 1.1rem; font-weight: 600; }

.btn-close {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 8px;
    background: transparent; border: none;
    color: var(--text-secondary); font-size: 1.3rem;
    cursor: pointer; transition: all var(--transition);
}
.btn-close:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }

form { padding: 0 28px 28px; }

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 0.8rem; font-weight: 500;
    color: var(--text-secondary); margin-bottom: 8px;
}
.form-group input {
    width: 100%; padding: 12px 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit; font-size: 0.95rem;
    transition: all var(--transition);
    outline: none;
}
.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.form-group input::placeholder { color: var(--text-muted); }

.form-actions {
    display: flex; justify-content: flex-end; gap: 12px;
    margin-top: 8px;
}

/* ===================================================
   Toast
   =================================================== */
.toast-container {
    position: fixed; bottom: 24px; right: 24px; z-index: 2000;
    display: flex; flex-direction: column; gap: 8px;
}

.toast {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-size: 0.85rem;
    animation: toast-in 300ms ease forwards;
    max-width: 360px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-exit {
    animation: toast-out 200ms ease forwards;
}
@keyframes toast-out {
    to { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

/* ===================================================
   Skeleton / Empty
   =================================================== */
.skeleton-loader {
    padding: 32px; text-align: center;
    color: var(--text-muted); font-size: 0.85rem;
}

.empty-state {
    padding: 40px; text-align: center;
    color: var(--text-muted); font-size: 0.85rem;
}
.empty-state svg { opacity: 0.3; margin-bottom: 12px; }

/* ===================================================
   Image Preview Modal
   =================================================== */
.image-modal {
    width: 100%; max-width: 680px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(20px) scale(0.95);
    transition: transform 250ms ease;
    overflow: hidden;
}
.modal-overlay.active .image-modal {
    transform: translateY(0) scale(1);
}

.image-modal-body {
    padding: 0 24px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    min-height: 200px;
    max-height: 70vh;
    overflow: auto;
}
.image-modal-body img {
    max-width: 100%;
    max-height: 65vh;
    object-fit: contain;
    border-radius: 4px;
}

.image-modal-info {
    padding: 16px 24px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    display: flex; gap: 20px; flex-wrap: wrap;
}
.image-modal-info .info-item {
    display: flex; align-items: center; gap: 6px;
}
.image-modal-info .info-label {
    color: var(--text-muted);
}

/* Clickable file link in submissions */
.file-link {
    color: var(--accent); cursor: pointer;
    text-decoration: none;
    transition: color var(--transition);
}
.file-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 1024px) {
    .content-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .app-header { padding: 12px 16px; }
    .main-content { padding: 16px; }
    .stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 14px 16px; }
    .submission-card { grid-template-columns: auto 1fr auto; }
    .submission-time { display: none; }
}