@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-weight: 300;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f1f3f4 100%);
    color: #1e293b;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background particles */
.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 1px;
    height: 1px;
    background: rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.header {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    width: 48px;
    height: 48px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 200;
    letter-spacing: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.header-info {
    text-align: right;
}

.lead-title {
    font-size: 1.75rem;
    font-weight: 200;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.lead-id {
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 300;
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-info {
        text-align: left;
    }
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

.glass-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #0f172a;
}

.info-grid {
    display: grid;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 500;
    color: #64748b;
    font-size: 0.875rem;
}

.info-value {
    color: #1e293b;
    font-weight: 500;
}

.status-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 300;
    color: #374151;
    font-size: 0.875rem;
}

.form-select, .form-textarea, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    color: #1e293b;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.form-select:focus, .form-textarea:focus, .form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.form-select option {
    background: #ffffff;
    color: #1e293b;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 300;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.comments-section {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
}

.comments-section::-webkit-scrollbar {
    width: 4px;
}

.comments-section::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.comments-section::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.5);
    border-radius: 2px;
}

.comment {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.comment:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(59, 130, 246, 0.15);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.comment-author {
    font-weight: 400;
    color: #0f172a;
}

.comment-time {
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 300;
}

.comment-body {
    color: #475569;
    line-height: 1.6;
    font-weight: 300;
}

.attachment-link {
    display: inline-flex;
    align-items: center;
    margin-top: 0.5rem;
    color: #60a5fa;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.attachment-link:hover {
    color: #93c5fd;
}

.file-input {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    border: 2px dashed rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.file-input:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}