/* =============================================
   NP Lead Chatbot — Professional UI v2.0
   ============================================= */

/* Local font — no external requests, GDPR-safe */
@font-face {
    font-family: 'DM Sans';
    src: url('../fonts/dm-sans-latin-400-normal.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'DM Sans';
    src: url('../fonts/dm-sans-latin-500-normal.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'DM Sans';
    src: url('../fonts/dm-sans-latin-600-normal.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

/* ------ CSS Variables ------ */
:root {
    --nlc-primary:        #4f46e5;
    --nlc-primary-dark:   #3730a3;
    --nlc-primary-light:  #818cf8;
    --nlc-accent:         #06b6d4;
    --nlc-surface:        #ffffff;
    --nlc-surface-2:      #f8f8fb;
    --nlc-border:         #e5e4f0;
    --nlc-text:           #1e1b3a;
    --nlc-text-muted:     #6b6887;
    --nlc-error:          #ef4444;
    --nlc-error-bg:       #fef2f2;
    --nlc-success:        #10b981;
    --nlc-success-bg:     #ecfdf5;
    --nlc-radius:         14px;
    --nlc-radius-sm:      8px;
    --nlc-shadow:         0 20px 60px rgba(79,70,229,0.18), 0 4px 16px rgba(0,0,0,0.08);
    --nlc-font:           'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --nlc-transition:     0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --nlc-width:          360px;
}

/* ====================================================
   FLOATING TRIGGER BUTTON
   ==================================================== */

#wlc-floating-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nlc-primary) 0%, var(--nlc-accent) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99998;
    box-shadow: 0 6px 24px rgba(79,70,229,0.45), 0 2px 8px rgba(0,0,0,0.12);
    transition: transform var(--nlc-transition), box-shadow var(--nlc-transition);
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

#wlc-floating-btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 10px 32px rgba(79,70,229,0.55), 0 4px 12px rgba(0,0,0,0.14);
}

#wlc-floating-btn:active {
    transform: scale(0.96);
}

/* Ping animation when idle */
#wlc-floating-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nlc-primary), var(--nlc-accent));
    animation: nlc-ping 2.4s ease-out infinite;
    z-index: -1;
}

@keyframes nlc-ping {
    0%   { transform: scale(1);   opacity: 0.6; }
    70%  { transform: scale(1.55);opacity: 0; }
    100% { transform: scale(1.55);opacity: 0; }
}

#wlc-floating-btn .nlc-icon {
    width: 26px;
    height: 26px;
    transition: transform var(--nlc-transition), opacity var(--nlc-transition);
}

#wlc-floating-btn .nlc-icon-close {
    position: absolute;
    width: 20px;
    height: 20px;
    opacity: 0;
    transform: rotate(-90deg) scale(0.6);
    transition: transform var(--nlc-transition), opacity var(--nlc-transition);
}

#wlc-floating-btn.is-open .nlc-icon-chat {
    opacity: 0;
    transform: rotate(90deg) scale(0.6);
}

#wlc-floating-btn.is-open .nlc-icon-close {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ====================================================
   CHAT POPUP CONTAINER
   ==================================================== */

#wlc-chat-popup {
    display: none;
    position: fixed;
    bottom: 100px;
    right: 28px;
    width: var(--nlc-width);
    background: var(--nlc-surface);
    border-radius: var(--nlc-radius);
    box-shadow: var(--nlc-shadow);
    z-index: 99997;
    overflow: hidden;
    font-family: var(--nlc-font);
    border: 1px solid var(--nlc-border);
    transform-origin: bottom right;
}

#wlc-chat-popup.nlc-open {
    animation: nlc-popup-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

#wlc-chat-popup.nlc-closing {
    animation: nlc-popup-out 0.2s ease-in forwards;
}

@keyframes nlc-popup-in {
    from { opacity: 0; transform: scale(0.88) translateY(16px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes nlc-popup-out {
    from { opacity: 1; transform: scale(1) translateY(0); }
    to   { opacity: 0; transform: scale(0.88) translateY(16px); }
}

/* ====================================================
   POPUP HEADER
   ==================================================== */

.nlc-popup-header {
    position: relative;
    padding: 20px 20px 18px;
    background: linear-gradient(135deg, var(--nlc-primary) 0%, #6366f1 50%, var(--nlc-accent) 100%);
    overflow: hidden;
}

.nlc-popup-header::before,
.nlc-popup-header::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    pointer-events: none;
}

.nlc-popup-header::before {
    width: 120px;
    height: 120px;
    background: #fff;
    top: -40px;
    right: -20px;
}

.nlc-popup-header::after {
    width: 70px;
    height: 70px;
    background: #fff;
    bottom: -30px;
    left: 30px;
}

.nlc-header-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.nlc-header-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nlc-header-avatar svg {
    width: 22px;
    height: 22px;
}

.nlc-header-info {
    flex: 1;
    margin-left: 12px;
}

.nlc-header-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
    font-family: var(--nlc-font);
    margin: 0;
}

.nlc-header-status {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 4px;
}

.nlc-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ade80;
    animation: nlc-pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes nlc-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.7; transform: scale(1.25); }
}

.nlc-status-text {
    font-size: 12px;
    color: rgba(255,255,255,0.82);
    font-family: var(--nlc-font);
}

#wlc-chat-close {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    transition: background var(--nlc-transition), transform var(--nlc-transition);
    font-family: var(--nlc-font);
    position: relative;
    z-index: 1;
    -webkit-tap-highlight-color: transparent;
}

#wlc-chat-close:hover {
    background: rgba(255,255,255,0.28);
    transform: rotate(90deg);
}

/* ====================================================
   FORM BODY
   ==================================================== */

#wlc-chatbot {
    padding: 20px 20px 16px;
    background: var(--nlc-surface);
    font-family: var(--nlc-font);
}

.nlc-field {
    margin-bottom: 13px;
}

.nlc-label {
    display: block;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--nlc-text-muted);
    margin-bottom: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: var(--nlc-font);
}

#wlc-chatbot input[type="text"],
#wlc-chatbot input[type="email"],
#wlc-chatbot textarea {
    width: 100%;
    padding: 10px 13px;
    background: var(--nlc-surface-2);
    border: 1.5px solid var(--nlc-border);
    border-radius: var(--nlc-radius-sm);
    font-size: 14px;
    color: var(--nlc-text);
    font-family: var(--nlc-font);
    line-height: 1.5;
    transition: border-color var(--nlc-transition), background var(--nlc-transition), box-shadow var(--nlc-transition);
    outline: none;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

#wlc-chatbot input[type="text"]::placeholder,
#wlc-chatbot input[type="email"]::placeholder,
#wlc-chatbot textarea::placeholder {
    color: #b5b2cc;
}

#wlc-chatbot input[type="text"]:focus,
#wlc-chatbot input[type="email"]:focus,
#wlc-chatbot textarea:focus {
    border-color: var(--nlc-primary-light);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

#wlc-chatbot input.nlc-has-error,
#wlc-chatbot textarea.nlc-has-error {
    border-color: var(--nlc-error);
    background: var(--nlc-error-bg);
}

#wlc-chatbot textarea {
    resize: vertical;
    min-height: 78px;
}

.wlc-error {
    display: block;
    font-size: 11.5px;
    color: var(--nlc-error);
    font-family: var(--nlc-font);
    margin-top: 4px;
    min-height: 0;
    font-weight: 500;
    line-height: 1.4;
}

/* ====================================================
   SUBMIT BUTTON
   ==================================================== */

#wlc-submit {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--nlc-primary) 0%, #6366f1 100%);
    color: #fff;
    border: none;
    border-radius: var(--nlc-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--nlc-font);
    cursor: pointer;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
    transition: transform var(--nlc-transition), box-shadow var(--nlc-transition), opacity var(--nlc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
    -webkit-tap-highlight-color: transparent;
}

#wlc-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79,70,229,0.4);
}

#wlc-submit:active {
    transform: translateY(0) scale(0.98);
    box-shadow: none;
}

#wlc-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.nlc-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: nlc-spin 0.7s linear infinite;
    flex-shrink: 0;
}

@keyframes nlc-spin {
    to { transform: rotate(360deg); }
}

#wlc-submit.is-loading .nlc-btn-text { display: none; }
#wlc-submit.is-loading .nlc-spinner  { display: block; }

/* ====================================================
   RESPONSE MESSAGE
   ==================================================== */

#wlc-response {
    margin-top: 12px;
    padding: 10px 13px;
    border-radius: var(--nlc-radius-sm);
    font-size: 13px;
    font-family: var(--nlc-font);
    font-weight: 500;
    display: none;
    align-items: center;
    gap: 8px;
    animation: nlc-fade-in 0.3s ease;
}

@keyframes nlc-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

#wlc-response.nlc-success {
    display: flex;
    background: var(--nlc-success-bg);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

#wlc-response.nlc-error-msg {
    display: flex;
    background: var(--nlc-error-bg);
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ====================================================
   FOOTER
   ==================================================== */

.nlc-popup-footer {
    padding: 0 20px 14px;
    text-align: center;
    font-size: 11px;
    color: #c4c2d6;
    font-family: var(--nlc-font);
}

.nlc-popup-footer a {
    color: #a5a3c2;
    text-decoration: none;
}

.nlc-popup-footer a:hover {
    color: var(--nlc-primary);
}

/* ====================================================
   RESPONSIVE
   ==================================================== */

@media (max-width: 480px) {
    #wlc-chat-popup {
        right: 16px;
        left: 16px;
        width: auto;
        bottom: 88px;
    }
    #wlc-floating-btn {
        right: 16px;
        bottom: 16px;
    }
}

/* ====================================================
   ADMIN LEAD BADGES
   ==================================================== */

.nlc-lead-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.nlc-lead-badge.new        { background: #ede9fe; color: #5b21b6; }
.nlc-lead-badge.contacted  { background: #dbeafe; color: #1e40af; }
.nlc-lead-badge.converted  { background: #dcfce7; color: #166534; }