/* ============================================================================
   SPLATSHARE AEC - CORPORATE UI (v7.2)
   Unified #1e3e9e Palette / Marketing Theme Mirror
============================================================================ */

:root {
    /* Strict #1e3e9e Palette perfectly matching index.html */
    --splat-primary-900: #1e3e9e; /* Base Corporate Blue */
    --splat-primary-800: #162e7a; /* Darker for hovers */
    --splat-primary-600: #1e3e9e; /* Base Corporate Blue */
    --splat-primary-500: #294bc2; /* Slightly lighter for icons */
    --splat-primary-100: #bfdbfe; /* Accent Border */
    --splat-primary-50:  #f0f4ff; /* Ultra light tint for backgrounds */
    
    /* Neutrals & Typography */
    --splat-surface: #ffffff;
    --splat-bg: #f8fafc;
    --splat-text-main: #0f172a;
    --splat-text-muted: #475569;
    --splat-border: #e2e8f0;
    
    /* Structural Utilities */
    --splat-radius-xl: 24px;
    --splat-radius-lg: 16px;
    --splat-radius-md: 10px;
    --splat-radius-sm: 8px;
    
    /* Z-Depth & Cohesive Blue-Tinted Shadows matching marketing site */
    --splat-shadow-xl: 0 25px 50px -12px rgba(30, 62, 158, 0.2), 0 0 0 1px rgba(0,0,0,0.02);
    --splat-shadow-md: 0 10px 25px -5px rgba(30, 62, 158, 0.05), 0 4px 10px -6px rgba(30, 62, 158, 0.02);
    --splat-shadow-btn: 0 10px 20px -5px rgba(30, 62, 158, 0.4);
    
    --splat-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.splat-wrap { 
    font-family: var(--splat-font); 
    color: var(--splat-text-main); 
    box-sizing: border-box; 
    -webkit-font-smoothing: antialiased;
}

/* AGGRESSIVE THEME OVERRIDES FOR TEXT COLORS */
.splat-wrap p, 
.splat-wrap span, 
.splat-wrap div, 
.splat-wrap label, 
.splat-wrap li { 
    color: var(--splat-text-main); 
}
.splat-wrap p.splat-text-sm,
.splat-wrap span.splat-text-sm,
.splat-wrap .splat-text-muted {
    color: var(--splat-text-muted) !important;
}

.splat-wrap * { box-sizing: border-box; }

/* --- THE MAIN PANEL LAYER --- */
.splat-panel {
    background: var(--splat-surface); 
    border-radius: var(--splat-radius-xl); 
    padding: 40px; 
    max-width: 540px; 
    margin: 40px auto;
    box-shadow: var(--splat-shadow-xl);
    position: relative;
    border: 4px solid var(--splat-surface); 
}

.splat-panel.splat-wide { max-width: 1140px; }

/* --- WHITE ON BLUE HEADERS --- */
.splat-brand, .splat-dash-header { 
    background: var(--splat-primary-900);
    color: var(--splat-surface);
    margin: -40px -40px 35px -40px; 
    padding: 35px 40px;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 10px 25px -10px rgba(30, 62, 158, 0.6); 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.splat-brand {
    font-size: 26px; 
    font-weight: 800; 
    justify-content: center; 
    text-align: center;
    gap: 12px;
}

.splat-dash-header h2 { 
    margin: 0 0 8px 0; 
    font-size: 24px; 
    font-weight: 800;
    color: var(--splat-surface); 
    letter-spacing: -0.01em;
}

.splat-text-sm { 
    font-size: 14px; 
    color: #e2e8f0; 
    line-height: 1.6; 
    margin: 0; 
}

.splat-dash-header a { 
    color: var(--splat-surface); 
    font-weight: 600; 
    text-decoration: none; 
    padding: 8px 14px; 
    background: rgba(255,255,255,0.15); 
    border-radius: var(--splat-radius-sm);
    transition: background 0.2s ease;
}
.splat-dash-header a:hover { background: rgba(255,255,255,0.25); }

/* --- ALERTS & TOLLGATES --- */
.splat-alert {
    padding: 24px 30px;
    border-radius: var(--splat-radius-lg);
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: var(--splat-shadow-md);
}

.splat-alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 8px solid #ef4444;
}
.splat-alert-danger h3 { color: #991b1b; margin: 0 0 6px 0; font-size: 18px; font-weight: 800;}
.splat-alert-danger p { margin: 0; font-size: 14px; line-height: 1.5; color: #b91c1c; font-weight: 500;}

.splat-alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 8px solid #f59e0b;
}
.splat-alert-warning strong { font-size: 17px; color: #92400e; font-weight: 800;}
.splat-alert-warning span { font-size: 14px; color: #b45309; font-weight: 500; display: block; margin-top: 4px;}

/* Alert Button Overrides */
.splat-alert .splat-btn {
    width: auto;
    padding: 12px 20px;
    font-size: 14px;
    margin: 0;
}

/* --- ACCORDIONS --- */
.splat-accordion-wrapper {
    margin-bottom: 35px;
}

.splat-accordion-btn {
    width: 100%;
    background: var(--splat-surface);
    border: 2px solid var(--splat-border);
    color: var(--splat-primary-900);
    padding: 18px 24px;
    border-radius: var(--splat-radius-md);
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(30, 62, 158, 0.02);
    font-family: var(--splat-font);
}

.splat-accordion-btn:hover {
    border-color: var(--splat-primary-900);
    background: var(--splat-primary-50);
}

.splat-accordion-btn.active {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-color: transparent;
    background: var(--splat-primary-50);
}

.splat-accordion-btn .splat-chevron {
    transition: transform 0.3s ease;
    color: var(--splat-primary-900);
}

.splat-accordion-btn.active .splat-chevron {
    transform: rotate(180deg);
}

.splat-accordion-content {
    border: 2px solid var(--splat-border);
    border-top: none;
    border-bottom-left-radius: var(--splat-radius-md);
    border-bottom-right-radius: var(--splat-radius-md);
    background: var(--splat-surface);
    padding: 30px;
    box-shadow: 0 10px 15px -3px rgba(30, 62, 158, 0.05);
}

/* --- UPLOAD BOX (Recessed Layer) --- */
.splat-upload-box { 
    background: var(--splat-primary-50); 
    border: 2px dashed var(--splat-primary-100); 
    padding: 35px 40px; 
    border-radius: var(--splat-radius-lg); 
    box-shadow: 0 6px 12px rgba(30, 62, 158, 0.03) inset; 
}

.splat-file-guidance {
    font-size: 14px;
    color: var(--splat-text-muted);
    background: var(--splat-surface);
    border-radius: var(--splat-radius-md);
    padding: 24px;
    margin-bottom: 25px;
    line-height: 1.7;
    box-shadow: 0 4px 10px rgba(30, 62, 158, 0.04); 
    border: 1px solid var(--splat-primary-50);
}
.splat-file-guidance strong { color: var(--splat-primary-900); font-weight: 800; font-size: 16px; display:block; margin-bottom: 12px;}
.splat-file-guidance code { 
    background: var(--splat-primary-50); 
    padding: 4px 8px; 
    border-radius: 6px; 
    font-family: monospace; 
    color: var(--splat-primary-900); 
    font-weight: 700;
}

.splat-progress-wrap { 
    width: 100%; 
    height: 12px; 
    background: var(--splat-border); 
    border-radius: 12px; 
    margin-bottom: 15px; 
    overflow: hidden; 
}
.splat-progress-bar { 
    height: 100%; 
    width: 0%; 
    background: var(--splat-primary-900); 
    transition: width 0.3s ease; 
}

/* --- DELIVERABLE CARDS (Layered Boxes) --- */
.splat-card-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px; 
}

.splat-card { 
    background: var(--splat-surface);
    border-radius: var(--splat-radius-lg); 
    transition: transform 0.2s ease, box-shadow 0.2s ease; 
    display: flex; 
    flex-direction: column; 
    justify-content: space-between;
    box-shadow: var(--splat-shadow-md);
    border: 1px solid var(--splat-border);
    overflow: hidden; 
}

.splat-card:hover { 
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -10px rgba(30, 62, 158, 0.15);
    border-color: var(--splat-primary-100);
}

.splat-card-header { 
    background: var(--splat-primary-900);
    color: var(--splat-surface);
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 18px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.splat-card-header h4 { 
    margin: 0; 
    color: var(--splat-surface); 
    font-size: 16px; 
    font-weight: 700; 
}

.splat-badge { 
    background: rgba(255,255,255,0.15); 
    color: var(--splat-surface); 
    font-size: 11px; 
    padding: 5px 10px; 
    border-radius: 12px; 
    font-weight: 700; 
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.splat-card-meta { 
    font-size: 13px; 
    color: var(--splat-text-muted); 
    padding: 24px 24px 5px 24px;
    font-weight: 500;
}

.splat-card-actions { 
    display: flex; 
    gap: 12px; 
    padding: 15px 24px 24px 24px;
}

/* --- BUTTONS & INPUTS --- */
.splat-tabs { 
    display: flex; 
    background: var(--splat-primary-50); 
    padding: 6px; 
    border-radius: var(--splat-radius-lg); 
    margin-bottom: 35px; 
}

.splat-tab { 
    flex: 1;
    background: transparent; 
    border: none; 
    color: var(--splat-text-muted); 
    font-weight: 700; 
    font-size: 14px; 
    cursor: pointer; 
    padding: 12px 20px; 
    border-radius: var(--splat-radius-md);
    transition: all 0.2s ease; 
}

.splat-tab.active { 
    background: var(--splat-surface); 
    color: var(--splat-primary-900); 
    box-shadow: 0 4px 6px rgba(30, 62, 158, 0.06);
}

/* Form Row Layout */
.splat-row {
    display: flex;
    gap: 15px;
}
.splat-row .splat-input {
    flex: 1;
}

@media (max-width: 480px) {
    .splat-row { flex-direction: column; gap: 0; }
}

.splat-input { 
    width: 100%; 
    background: var(--splat-bg); 
    border: 2px solid var(--splat-border); 
    color: var(--splat-text-main); 
    padding: 16px 20px; 
    border-radius: var(--splat-radius-md); 
    margin-bottom: 20px; 
    font-size: 15px; 
    font-weight: 500;
    font-family: var(--splat-font); 
    outline: none; 
    transition: all 0.2s ease;
}

.splat-input:focus { 
    border-color: var(--splat-primary-900); 
    background: var(--splat-surface);
    box-shadow: 0 0 0 4px var(--splat-primary-50);
}

.splat-btn { 
    width: 100%; 
    background: var(--splat-primary-900);
    color: var(--splat-surface); 
    border: none;
    padding: 16px; 
    border-radius: var(--splat-radius-md); 
    font-weight: 700; 
    font-size: 16px;
    cursor: pointer; 
    display: flex; 
    justify-content: center; 
    align-items: center;
    gap: 10px; 
    transition: all 0.2s ease; 
    box-shadow: var(--splat-shadow-btn);
}

.splat-btn:hover { 
    background: var(--splat-primary-800);
    box-shadow: 0 12px 25px -5px rgba(30, 62, 158, 0.5);
    transform: translateY(-2px);
}
.splat-btn:active { transform: translateY(0); box-shadow: none;}

/* Small Card Buttons */
.splat-btn-sm { 
    flex: 1;
    background: var(--splat-surface); 
    color: var(--splat-text-main); 
    border: 1px solid var(--splat-border); 
    padding: 12px 14px; 
    border-radius: var(--splat-radius-sm); 
    font-size: 14px; 
    font-weight: 600;
    cursor: pointer; 
    transition: all 0.2s ease; 
    display: flex; 
    justify-content: center;
    gap: 8px; 
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.splat-btn-sm:hover { 
    background: var(--splat-bg); 
    border-color: var(--splat-text-muted);
}

.splat-btn-sm.splat-btn-view { 
    background: var(--splat-primary-50); 
    border-color: var(--splat-primary-100); 
    color: var(--splat-primary-900);
    text-decoration: none;
}
.splat-btn-sm.splat-btn-view:hover { background: var(--splat-primary-100); color: var(--splat-primary-800); }

.splat-btn-sm.splat-btn-danger { 
    flex: 0 0 auto;
    color: #ef4444; 
    background: #fef2f2;
    border-color: #fecaca;
}
.splat-btn-sm.splat-btn-danger:hover { background: #fee2e2; color: #dc2626; border-color: #fca5a5;}

/* --- SUPPORT INFO --- */
.splat-support-info {
    text-align: center;
    font-size: 13px;
    color: var(--splat-text-muted);
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--splat-border);
}

.splat-support-info a {
    color: var(--splat-primary-900);
    text-decoration: underline;
    font-weight: 600;
}
.splat-support-info a:hover { color: var(--splat-primary-800); }