/**
 * DPRP IPO Portal Styles
 * Light/Dark Mode Tokens, Responsive Layouts, Modal & Calculator UI
 */

:root {
    --dprp-primary: #0e844d;
    --dprp-primary-hover: #0a663b;
    --dprp-primary-light: #e8f5ee;
    --dprp-accent: #5c3626;
    --dprp-gold: #f59e0b;
    --dprp-bg: #f8fafc;
    --dprp-card-bg: #ffffff;
    --dprp-text: #0f172a;
    --dprp-text-muted: #64748b;
    --dprp-border: #e2e8f0;
    --dprp-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --dprp-radius: 12px;
}

[data-theme="dark"] {
    --dprp-primary: #10b981;
    --dprp-primary-hover: #059669;
    --dprp-primary-light: rgba(16, 185, 129, 0.12);
    --dprp-accent: #8d5239;
    --dprp-gold: #fbbf24;
    --dprp-bg: #090d16;
    --dprp-card-bg: #111827;
    --dprp-text: #f8fafc;
    --dprp-text-muted: #94a3b8;
    --dprp-border: #1f2937;
    --dprp-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Base Wrapper */
.dprp-portal-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
    background-color: var(--dprp-bg);
    color: var(--dprp-text);
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header & Nav */
.dprp-header {
    background: var(--dprp-card-bg);
    border-bottom: 1px solid var(--dprp-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.dprp-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dprp-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--dprp-text);
    text-decoration: none;
}

.dprp-brand-badge {
    background: var(--dprp-primary-light);
    color: var(--dprp-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dprp-nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.dprp-nav-link {
    color: var(--dprp-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.dprp-nav-link:hover {
    color: var(--dprp-primary);
}

.dprp-theme-toggle {
    background: transparent;
    border: 1px solid var(--dprp-border);
    color: var(--dprp-text);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

/* Hero Offering Section */
.dprp-hero {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 24px;
}

.dprp-offering-card {
    background: var(--dprp-card-bg);
    border: 1px solid var(--dprp-border);
    border-radius: var(--dprp-radius);
    padding: 40px;
    box-shadow: var(--dprp-shadow);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.dprp-offering-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--dprp-primary), var(--dprp-gold));
}

.dprp-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #dcfce7;
    color: #15803d;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.dprp-status-dot {
    width: 8px;
    height: 8px;
    background: #15803d;
    border-radius: 50%;
    animation: dprp-pulse 2s infinite;
}

@keyframes dprp-pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.dprp-hero-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 12px 0;
    color: var(--dprp-text);
}

.dprp-hero-desc {
    color: var(--dprp-text-muted);
    font-size: 15px;
    margin-bottom: 24px;
}

.dprp-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.dprp-stat-box {
    background: var(--dprp-bg);
    border: 1px solid var(--dprp-border);
    padding: 16px;
    border-radius: 10px;
}

.dprp-stat-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--dprp-text-muted);
    font-weight: 600;
    margin-bottom: 4px;
}

.dprp-stat-val {
    font-size: 20px;
    font-weight: 800;
    color: var(--dprp-text);
}

.dprp-stat-val.highlight {
    color: var(--dprp-primary);
}

/* Hero Calculator Box */
.dprp-quick-calc {
    background: var(--dprp-bg);
    border: 1px solid var(--dprp-border);
    padding: 24px;
    border-radius: var(--dprp-radius);
}

.dprp-calc-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

/* Buttons */
.dprp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.dprp-btn-primary {
    background: var(--dprp-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(14, 132, 77, 0.3);
}

.dprp-btn-primary:hover {
    background: var(--dprp-primary-hover);
    transform: translateY(-1px);
}

.dprp-btn-secondary {
    background: transparent;
    border: 1px solid var(--dprp-border);
    color: var(--dprp-text);
}

.dprp-btn-secondary:hover {
    background: var(--dprp-bg);
}

.dprp-btn-full {
    width: 100%;
}

/* Modals */
.dprp-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.dprp-modal-container {
    background: var(--dprp-card-bg);
    border: 1px solid var(--dprp-border);
    border-radius: var(--dprp-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--dprp-shadow);
    animation: dprp-modal-appear 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dprp-modal-appear {
    from { opacity: 0; transform: scale(0.96) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.dprp-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 24px;
    border-bottom: 1px solid var(--dprp-border);
}

.dprp-modal-badge {
    background: var(--dprp-primary-light);
    color: var(--dprp-primary);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 6px;
}

.dprp-modal-title {
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 4px 0;
}

.dprp-modal-sub {
    font-size: 13px;
    color: var(--dprp-text-muted);
    margin: 0;
}

.dprp-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dprp-text-muted);
    cursor: pointer;
}

.dprp-modal-body {
    padding: 24px;
}

.dprp-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.dprp-form-group {
    display: flex;
    flex-direction: column;
}

.dprp-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--dprp-text);
    margin-bottom: 6px;
}

.dprp-required {
    color: #ef4444;
}

.dprp-input, .dprp-select {
    background: var(--dprp-bg);
    border: 1px solid var(--dprp-border);
    color: var(--dprp-text);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.dprp-input:focus, .dprp-select:focus {
    border-color: var(--dprp-primary);
}

.dprp-help {
    font-size: 11px;
    color: var(--dprp-text-muted);
    margin-top: 4px;
}

.dprp-resolved-name {
    margin-top: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--dprp-primary);
    background: var(--dprp-primary-light);
    padding: 4px 8px;
    border-radius: 4px;
}

/* Modal Calc Box */
.dprp-calc-box {
    background: var(--dprp-bg);
    border: 1px solid var(--dprp-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.dprp-calc-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 6px;
}

.dprp-calc-divider {
    height: 1px;
    background: var(--dprp-border);
    margin: 10px 0;
}

.dprp-calc-total {
    font-size: 16px;
    font-weight: 800;
    color: var(--dprp-primary);
    margin-bottom: 0;
}

/* Accordion */
.dprp-accordion {
    border: 1px solid var(--dprp-border);
    border-radius: 8px;
    margin-bottom: 20px;
}

.dprp-accordion-header {
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    background: var(--dprp-bg);
    border-radius: 8px;
}

.dprp-accordion-content {
    padding: 14px 16px;
    font-size: 12px;
    color: var(--dprp-text-muted);
    border-top: 1px solid var(--dprp-border);
}

.dprp-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--dprp-border);
}

.dprp-alert-error {
    background: #fee2e2;
    border: 1px solid #f87171;
    color: #991b1b;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* Success Step */
.dprp-success-content {
    text-align: center;
    padding: 20px 0;
}

.dprp-success-icon {
    width: 60px;
    height: 60px;
    background: #dcfce7;
    color: #15803d;
    font-size: 32px;
    font-weight: 800;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.dprp-success-ref-card {
    background: var(--dprp-bg);
    border: 1px dashed var(--dprp-border);
    border-radius: 8px;
    padding: 16px;
    margin: 20px 0;
    text-align: left;
    font-size: 13px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dprp-success-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

/* Informational Sections (How it works & FAQs) */
.dprp-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 24px;
}

.dprp-section-header {
    text-align: center;
    margin-bottom: 40px;
}

.dprp-section-title {
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 8px 0;
}

.dprp-section-sub {
    color: var(--dprp-text-muted);
    font-size: 15px;
}

.dprp-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.dprp-step-card {
    background: var(--dprp-card-bg);
    border: 1px solid var(--dprp-border);
    border-radius: var(--dprp-radius);
    padding: 24px;
    box-shadow: var(--dprp-shadow);
    position: relative;
}

.dprp-step-num {
    width: 36px;
    height: 36px;
    background: var(--dprp-primary-light);
    color: var(--dprp-primary);
    font-weight: 800;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.dprp-step-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.dprp-step-desc {
    font-size: 13px;
    color: var(--dprp-text-muted);
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .dprp-offering-card { grid-template-columns: 1fr; padding: 24px; }
    .dprp-stats-grid { grid-template-columns: 1fr; }
    .dprp-form-grid { grid-template-columns: 1fr; }
    .dprp-steps-grid { grid-template-columns: 1fr 1fr; }
}