/* ===== Nave Trading OS ===== */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: #1a2233;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --win: #22c55e;
    --loss: #ef4444;
    --border: #1e293b;
}

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

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

/* ===== AUTH SCREENS ===== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.auth-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.auth-box h1 { font-size: 1.8rem; margin-bottom: 0.3rem; }
.auth-box h1 span { color: var(--accent); }
.auth-box .subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 2rem; }

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.4rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group select { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 60px; }

.btn {
    padding: 0.8rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-primary { background: var(--accent); color: #0b0f19; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-secondary:hover { background: rgba(56, 189, 248, 0.1); }
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.8rem; }
.btn-danger { background: transparent; color: var(--loss); border: 1px solid var(--loss); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.1); }

.auth-link { text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--text-secondary); }
.auth-link a { color: var(--accent); text-decoration: none; cursor: pointer; }

.error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--loss);
    padding: 0.7rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
}
.error-msg.show { display: block; }

/* ===== LAYOUT ===== */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
}
.sidebar-logo { font-size: 1.4rem; font-weight: 700; margin-bottom: 2rem; padding: 0 0.5rem; }
.sidebar-logo span { color: var(--accent); }

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.8rem;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    margin-bottom: 0.3rem;
    cursor: pointer;
}
.nav-item:hover { background: rgba(56, 189, 248, 0.1); color: var(--text-primary); }
.nav-item.active { background: rgba(56, 189, 248, 0.15); color: var(--accent); }
.nav-icon { font-size: 1.2rem; }

.sidebar-footer { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem; font-size: 0.85rem; }
.user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); display: flex; align-items: center;
    justify-content: center; font-weight: 700; color: var(--bg-primary); font-size: 0.8rem;
}
.user-name { color: var(--text-primary); font-weight: 500; }
.logout-btn {
    margin-top: 0.5rem; padding: 0.5rem;
    border: 1px solid var(--border); border-radius: 8px;
    background: transparent; color: var(--text-secondary);
    cursor: pointer; font-size: 0.8rem; width: 100%; transition: all 0.2s;
}
.logout-btn:hover { border-color: var(--loss); color: var(--loss); }

/* ===== MAIN CONTENT ===== */
.main-content { flex: 1; padding: 2rem; overflow-y: auto; max-height: 100vh; }
.page-header { margin-bottom: 2rem; }
.page-header h2 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.page-header p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== STATS CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem;
}
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; }
.stat-value.win { color: var(--win); }
.stat-value.loss { color: var(--loss); }

/* ===== JOURNAL 2-COLUMN LAYOUT ===== */
.journal-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.journal-form { position: sticky; top: 2rem; }

.journal-form .form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}
.journal-form .form-card h3 { font-size: 1rem; margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.5rem; }

.journal-form .form-group { margin-bottom: 0.9rem; }
.journal-form .form-group label { font-size: 0.8rem; }

.journal-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 0;
}
.journal-form .form-row .form-group { margin-bottom: 0.9rem; }

.image-upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 0.9rem;
}
.image-upload-area:hover { border-color: var(--accent); background: rgba(56, 189, 248, 0.05); }
.image-upload-area.has-image { border-color: var(--win); }
.image-upload-area img { max-width: 100%; max-height: 120px; border-radius: 4px; }
.image-upload-area input { display: none; }
.image-upload-area .upload-text { font-size: 0.8rem; color: var(--text-secondary); }
.image-upload-area .upload-text .icon { font-size: 1.5rem; display: block; margin-bottom: 0.3rem; }

.journal-form .form-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.journal-form .form-actions .btn { flex: 1; justify-content: center; }

/* ===== JOURNAL HISTORY ===== */
.journal-history { min-width: 0; }

.journal-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
}
.journal-toolbar h3 { font-size: 1rem; }
.journal-toolbar .btn-group { display: flex; gap: 0.4rem; }
.journal-toolbar .btn-group .btn { white-space: nowrap; }

.export-dropdown { position: relative; display: inline-block; }
.export-dropdown .export-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    z-index: 100;
    min-width: 100px;
}
.export-dropdown .export-menu.show { display: block; }
.export-dropdown .export-menu div {
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s;
}
.export-dropdown .export-menu div:hover { background: rgba(56, 189, 248, 0.1); }

/* ===== TRADE CARD ===== */
.trade-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s;
    display: flex;
    flex-direction: row;
}
.trade-card:hover { border-color: #334155; }

.trade-card-image {
    width: 140px;
    min-height: 140px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}
.trade-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: absolute;
    top: 0; left: 0;
}
.trade-card-image img:hover { opacity: 0.85; }
.trade-card-image-empty {
    color: #1e293b;
    font-size: 2.5rem;
    cursor: default;
}
.trade-card-image .image-error {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px dashed rgba(239, 68, 68, 0.3);
    color: #94a3b8;
    font-size: 0.8rem;
    position: absolute;
    top: 0; left: 0;
}

.trade-card-body {
    padding: 0.8rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.trade-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}
.trade-card-pair {
    font-size: 1rem;
    font-weight: 600;
}
.trade-card-pair .dir { font-size: 0.8rem; font-weight: 400; color: var(--text-secondary); }
.trade-card-result {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}
.trade-card-result.win { background: rgba(34, 197, 94, 0.1); color: var(--win); }
.trade-card-result.loss { background: rgba(239, 68, 68, 0.1); color: var(--loss); }

.trade-card-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}
.trade-card-details .detail { color: var(--text-secondary); }
.trade-card-details .detail strong { color: var(--text-primary); display: block; font-size: 0.85rem; margin-top: 0.1rem; }
.trade-card-details .profit { color: var(--win); }
.trade-card-details .loss { color: var(--loss); }

.trade-card-notes {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.trade-card-actions {
    display: flex;
    gap: 0.4rem;
    justify-content: flex-end;
    margin-top: auto;
}
.trade-card-actions .btn { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

.trade-card-date {
    font-size: 0.75rem;
    color: #475569;
}

.trade-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.trade-card-actions {
    display: flex;
    gap: 0.4rem;
    justify-content: flex-end;
}
.trade-card-actions .btn { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

.trade-card-date {
    font-size: 0.75rem;
    color: #475569;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 0.5rem; display: block; }

/* ===== HIDDEN PAGES ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== MODAL (for image preview) ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    cursor: pointer;
}
.modal-overlay.show { display: flex; }
.modal-overlay img { max-width: 90%; max-height: 90%; border-radius: 8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .journal-layout { grid-template-columns: 1fr; }
    .journal-form { position: static; }
    .trade-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-logo span { display: none; }
    .nav-item span { display: none; }
    .user-info span { display: none; }
    .main-content { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .trade-card-details { grid-template-columns: repeat(2, 1fr); }
    .journal-toolbar { flex-direction: column; align-items: stretch; }
    .journal-toolbar .btn-group { justify-content: flex-end; }
    .trade-cards-grid { grid-template-columns: 1fr; }
    .trade-card { flex-direction: column; }
    .trade-card-image { width: 100%; aspect-ratio: 16/9; min-height: auto; }
    .trade-card-image img { position: relative; }
}