:root {
    --bg-base: #f1f5f9;
    --card-glass: rgba(255, 255, 255, 0.72);
    --input-glass: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(226, 232, 240, 0.8);
    --border-focus: #0ea5e9;
    --text-primary: #020617;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-cyan: #0284c7;
    --accent-dark: #0f172a;
    --shadow-soft: 0 20px 40px -15px rgba(15, 23, 42, 0.07);
    --shadow-glow: 0 10px 25px -5px rgba(2, 132, 199, 0.15);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    -webkit-tap-highlight-color: transparent;
}

body {
    background: radial-gradient(circle at 50% 0%, #ffffff 0%, #e2e8f0 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    padding: 32px 16px 120px;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.proposal-container {
    width: 100%;
    max-width: 720px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--card-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-soft);
}

.brand-mark {
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    text-decoration: none;
}

.close-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s;
}

.close-link:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero-title-group {
    margin-bottom: 56px;
    padding: 0 8px;
}

.section-tag {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 12px;
}

h1 {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Glass Form Card Sections */
.form-section {
    background: var(--card-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-soft);
}

.form-section-title {
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-glass);
}

.form-group {
    margin-bottom: 28px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.1rem;
    }

    .form-section {
        padding: 24px 20px;
    }
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.label-hint {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.8rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--input-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    outline: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--border-focus);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
}

textarea {
    resize: vertical;
    min-height: 140px;
}

/* Category Chips */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.chip-option {
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--input-glass);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.chip-option:hover {
    border-color: var(--border-focus);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.chip-option.selected {
    background: var(--accent-dark);
    color: #ffffff;
    border-color: var(--accent-dark);
    box-shadow: var(--shadow-glow);
}

/* Submit Section */
.submit-area {
    margin-top: 40px;
    padding: 0 8px;
}

.privacy-note {
    font-size: 0.825rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
    font-weight: 500;
}

.submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--accent-dark);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(15, 23, 42, 0.25);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Confirmation Container */
.confirmation-state {
    display: none;
    text-align: center;
    padding: 60px 24px;
    background: var(--card-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.confirmation-state.active {
    display: block;
}

.confirm-icon {
    width: 64px;
    height: 64px;
    background-color: #dcfce7;
    color: #15803d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 900;
    margin: 0 auto 24px;
    border: 1px solid #bbf7d0;
}

.back-home-btn {
    display: inline-block;
    margin-top: 32px;
    padding: 16px 32px;
    background-color: var(--accent-dark);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s;
}

.back-home-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

/* --- Proposal Queue & Messaging Layout Extensions --- */

body.queue-page-body {
    background: #070c18;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #0f172a;
}

.queue-header-area {
    background: linear-gradient(180deg, #0284c7 0%, #0a0f1d 100%);
    padding: 20px 20px 36px;
    position: relative;
    color: #ffffff;
}

.queue-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.queue-nav-bar .brand-mark {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.close-action-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #ffffff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.close-action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.queue-hero-greet {
    margin-bottom: 24px;
    padding: 0 4px;
}

.queue-hero-greet h1 {
    font-size: 1.85rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
    color: #ffffff;
}

.queue-hero-greet p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

/* Proposal Queue Card Box */
.proposal-queue-box {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.queue-box-left {
    display: flex;
    align-items: center;
    gap: 14px;
    overflow: hidden;
}

.archive-badge-icon {
    width: 42px;
    height: 42px;
    background: rgba(2, 132, 199, 0.1);
    color: #0284c7;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.queue-ref-tag {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #0284c7;
    display: block;
    margin-bottom: 2px;
}

.queue-box-info h3 {
    font-size: 0.95rem;
    font-weight: 800;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* Dynamic Status Pills */
.queue-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.queue-status-pill .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-queue {
    background: #fef3c7;
    color: #b45309;
}
.status-queue .dot { background: #d97706; }

.status-evaluating {
    background: #e0f2fe;
    color: #0369a1;
}
.status-evaluating .dot { background: #0284c7; }

.status-progress {
    background: #ede9fe;
    color: #6d28d9;
}
.status-progress .dot { background: #7c3aed; }

.status-done {
    background: #dcfce7;
    color: #15803d;
}
.status-done .dot { background: #16a34a; }


/* Main Conversation Container */
.conversation-wrapper {
    flex: 1;
    background: #f8fafc;
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
    margin-top: -16px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.messages-stream {
    flex: 1;
    padding: 24px 16px 90px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.msg-bubble {
    max-width: 82%;
    padding: 14px 18px;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.5;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

.msg-bubble.system {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #e2e8f0;
    align-self: flex-start;
    border-top-left-radius: 4px;
}

.msg-bubble.client {
    background: #0284c7;
    color: #ffffff;
    align-self: flex-end;
    border-top-right-radius: 4px;
}

.msg-time {
    display: block;
    font-size: 0.65rem;
    margin-top: 6px;
    opacity: 0.7;
    text-align: right;
}

/* Send Message Dock Box */
.send-message-dock {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid #e2e8f0;
    padding: 14px 16px;
}

.send-message-dock form {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 30px;
    padding: 6px 6px 6px 18px;
    transition: border-color 0.2s;
}

.send-message-dock form:focus-within {
    border-color: #0284c7;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

.send-message-dock input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: #0f172a;
    outline: none;
}

.send-message-dock button {
    width: 40px;
    height: 40px;
    background: #0284c7;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.1s, background 0.2s;
    flex-shrink: 0;
}

.send-message-dock button:hover {
    background: #0369a1;
}

.send-message-dock button:active {
    transform: scale(0.95);
}


/* Confirmation Actions Group */
.confirmation-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
    align-items: center;
}

.primary-queue-btn {
    display: inline-block;
    width: 100%;
    max-width: 320px;
    padding: 18px 24px;
    background-color: var(--accent-dark);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 14px;
    box-shadow: var(--shadow-soft);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
}

.primary-queue-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(15, 23, 42, 0.25);
    background-color: #0284c7;
}

.secondary-home-btn {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 16px;
    transition: color 0.2s;
}

.secondary-home-btn:hover {
    color: var(--text-primary);
}