/**
 * Groundbreaker AI Assistant Styles v2.0
 * 
 * A polished, professional, trust-building chat widget design
 *
 * @package DoItAllDemo
 * @since 2.0.0
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    --groundbreaker-primary: #1B365D;
    --groundbreaker-accent: #D97706;
    --groundbreaker-accent-light: #F59E0B;
    --groundbreaker-dark: #0A0F1C;
    --groundbreaker-white: #FFFFFF;
    --groundbreaker-gray-50: #F9FAFB;
    --groundbreaker-gray-100: #F3F4F6;
    --groundbreaker-gray-200: #E5E7EB;
    --groundbreaker-gray-300: #D1D5DB;
    --groundbreaker-gray-400: #9CA3AF;
    --groundbreaker-gray-500: #6B7280;
    --groundbreaker-gray-600: #4B5563;
    --groundbreaker-gray-700: #374151;
    --groundbreaker-gray-800: #1F2937;
    --groundbreaker-success: #10B981;
    --groundbreaker-error: #EF4444;
    --groundbreaker-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --groundbreaker-shadow-lg: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
    --groundbreaker-radius: 16px;
    --groundbreaker-radius-sm: 8px;
    --groundbreaker-transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Widget Container
   ========================================================================== */

.groundbreaker {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

/* ==========================================================================
   Toggle Button
   ========================================================================== */

.groundbreaker__toggle {
    position: relative;
    width: 68px;
    height: 68px;
    border-radius: 50%;
    border: 3px solid var(--groundbreaker-primary);
    background: linear-gradient(145deg, #FFFFFF 0%, #F0F4F8 100%);
    color: var(--groundbreaker-white);
    cursor: pointer;
    box-shadow: 
        0 8px 30px rgba(27, 54, 93, 0.25),
        0 0 0 4px rgba(27, 54, 93, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: transform var(--groundbreaker-transition), box-shadow var(--groundbreaker-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.groundbreaker__toggle:hover {
    transform: scale(1.08);
    box-shadow: 
        0 12px 40px rgba(27, 54, 93, 0.35),
        0 0 0 6px rgba(217, 119, 6, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: var(--groundbreaker-accent);
}

.groundbreaker__toggle:active {
    transform: scale(0.98);
}

.groundbreaker__toggle-icon {
    position: absolute;
    transition: opacity 0.2s ease, transform 0.3s ease;
}

.groundbreaker__toggle-icon--chat svg {
    width: 46px;
    height: 46px;
}

.groundbreaker__toggle-icon--close {
    opacity: 0;
    transform: rotate(-90deg) scale(0.8);
}

.groundbreaker.is-open .groundbreaker__toggle-icon--chat {
    opacity: 0;
    transform: rotate(90deg) scale(0.8);
}

.groundbreaker.is-open .groundbreaker__toggle-icon--close {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Pulse Animation */
.groundbreaker__toggle-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 3px solid var(--groundbreaker-primary);
    opacity: 0;
    animation: groundbreaker-pulse 2.5s ease-out infinite;
}

@keyframes groundbreaker-pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

/* Notification Badge */
.groundbreaker__toggle-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    background: var(--groundbreaker-accent);
    color: var(--groundbreaker-white);
    font-size: 12px;
    font-weight: 700;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    animation: groundbreaker-badge-bounce 0.5s ease;
}

@keyframes groundbreaker-badge-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ==========================================================================
   Chat Window
   ========================================================================== */

.groundbreaker__window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    max-width: calc(100vw - 48px);
    height: 600px;
    max-height: calc(100vh - 140px);
    background: var(--groundbreaker-white);
    border-radius: var(--groundbreaker-radius);
    box-shadow: var(--groundbreaker-shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: opacity 0.3s ease, transform 0.3s var(--groundbreaker-transition), visibility 0.3s;
}

.groundbreaker.is-open .groundbreaker__window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* ==========================================================================
   Header
   ========================================================================== */

.groundbreaker__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--groundbreaker-primary) 0%, var(--groundbreaker-dark) 100%);
    color: var(--groundbreaker-white);
}

.groundbreaker__header-avatar {
    position: relative;
    flex-shrink: 0;
}

.groundbreaker__avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.groundbreaker__avatar--demo {
    background: linear-gradient(145deg, #FFFFFF 0%, #F0F4F8 100%);
    border: 2px solid rgba(27, 54, 93, 0.3);
}

.groundbreaker__avatar--demo svg {
    width: 40px;
    height: 40px;
}

.groundbreaker__status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background: var(--groundbreaker-success);
    border: 2px solid var(--groundbreaker-primary);
    border-radius: 50%;
}

.groundbreaker__header-info {
    flex: 1;
    min-width: 0;
}

.groundbreaker__header-name {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    color: var(--groundbreaker-white);
}

.groundbreaker__header-tagline {
    font-size: 12px;
    opacity: 0.8;
    margin: 0;
}

.groundbreaker__header-minimize {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--groundbreaker-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.groundbreaker__header-minimize:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Messages Container
   ========================================================================== */

.groundbreaker__messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--groundbreaker-gray-50);
}

.groundbreaker__messages::-webkit-scrollbar {
    width: 6px;
}

.groundbreaker__messages::-webkit-scrollbar-track {
    background: transparent;
}

.groundbreaker__messages::-webkit-scrollbar-thumb {
    background: var(--groundbreaker-gray-300);
    border-radius: 3px;
}

/* ==========================================================================
   Message Bubbles
   ========================================================================== */

.groundbreaker__message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: groundbreaker-message-appear 0.3s ease;
}

@keyframes groundbreaker-message-appear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.groundbreaker__message--user {
    align-self: flex-end;
}

.groundbreaker__message--bot {
    align-self: flex-start;
}

.groundbreaker__message-content {
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
}

.groundbreaker__message--user .groundbreaker__message-content {
    background: linear-gradient(135deg, var(--groundbreaker-primary) 0%, var(--groundbreaker-dark) 100%);
    color: var(--groundbreaker-white);
    border-bottom-right-radius: 4px;
}

.groundbreaker__message--bot .groundbreaker__message-content {
    background: var(--groundbreaker-white);
    color: var(--groundbreaker-gray-800);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.groundbreaker__message-content strong {
    font-weight: 600;
    color: var(--groundbreaker-primary);
}

.groundbreaker__message--user .groundbreaker__message-content strong {
    color: var(--groundbreaker-accent-light);
}

.groundbreaker__message-content a {
    color: var(--groundbreaker-accent);
    text-decoration: underline;
}

.groundbreaker__message-time {
    font-size: 11px;
    color: var(--groundbreaker-gray-400);
    margin-top: 4px;
    padding: 0 4px;
}

.groundbreaker__message--user .groundbreaker__message-time {
    text-align: right;
}

/* Typing Indicator */
.groundbreaker__typing {
    display: flex;
    gap: 4px;
    padding: 4px;
}

.groundbreaker__typing span {
    width: 8px;
    height: 8px;
    background: var(--groundbreaker-gray-400);
    border-radius: 50%;
    animation: groundbreaker-typing 1.4s ease-in-out infinite;
}

.groundbreaker__typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.groundbreaker__typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes groundbreaker-typing {
    0%, 100% {
        opacity: 0.4;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==========================================================================
   Quick Actions
   ========================================================================== */

.groundbreaker__quick-actions {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    background: var(--groundbreaker-white);
    border-top: 1px solid var(--groundbreaker-gray-200);
}

.groundbreaker__quick-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    background: var(--groundbreaker-gray-100);
    border: 1px solid var(--groundbreaker-gray-200);
    border-radius: var(--groundbreaker-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--groundbreaker-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
}

.groundbreaker__quick-btn:hover {
    background: var(--groundbreaker-primary);
    border-color: var(--groundbreaker-primary);
    color: var(--groundbreaker-white);
}

.groundbreaker__quick-btn svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Booking Form
   ========================================================================== */

.groundbreaker__booking {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--groundbreaker-white);
    overflow: hidden;
}

.groundbreaker__booking-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--groundbreaker-gray-50);
    border-bottom: 1px solid var(--groundbreaker-gray-200);
}

.groundbreaker__booking-back {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--groundbreaker-white);
    border-radius: 50%;
    color: var(--groundbreaker-gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.groundbreaker__booking-back:hover {
    background: var(--groundbreaker-gray-100);
    color: var(--groundbreaker-primary);
}

.groundbreaker__booking-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--groundbreaker-gray-800);
}

.groundbreaker__booking-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.groundbreaker__booking-calendar label,
.groundbreaker__booking-times label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--groundbreaker-gray-600);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.groundbreaker__booking-date {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--groundbreaker-gray-200);
    border-radius: var(--groundbreaker-radius-sm);
    font-size: 15px;
    color: var(--groundbreaker-gray-800);
    transition: border-color 0.2s ease;
}

.groundbreaker__booking-date:focus {
    outline: none;
    border-color: var(--groundbreaker-accent);
}

.groundbreaker__booking-time-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.groundbreaker__booking-time {
    padding: 10px;
    background: var(--groundbreaker-white);
    border: 2px solid var(--groundbreaker-gray-200);
    border-radius: var(--groundbreaker-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--groundbreaker-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
}

.groundbreaker__booking-time:hover {
    border-color: var(--groundbreaker-primary);
    color: var(--groundbreaker-primary);
}

.groundbreaker__booking-time.is-selected {
    background: var(--groundbreaker-primary);
    border-color: var(--groundbreaker-primary);
    color: var(--groundbreaker-white);
}

.groundbreaker__booking-confirm {
    margin-top: auto;
    width: 100%;
    padding: 14px;
    background: var(--groundbreaker-accent);
    border: none;
    border-radius: var(--groundbreaker-radius-sm);
    font-size: 15px;
    font-weight: 600;
    color: var(--groundbreaker-white);
    cursor: pointer;
    transition: all 0.2s ease;
}

.groundbreaker__booking-confirm:hover:not(:disabled) {
    background: var(--groundbreaker-accent-light);
    transform: translateY(-1px);
}

.groundbreaker__booking-confirm:disabled {
    background: var(--groundbreaker-gray-300);
    cursor: not-allowed;
}

/* ==========================================================================
   Input Area
   ========================================================================== */

.groundbreaker__input-area {
    padding: 16px 20px;
    background: var(--groundbreaker-white);
    border-top: 1px solid var(--groundbreaker-gray-200);
}

.groundbreaker__input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 8px 8px 8px 16px;
    background: var(--groundbreaker-gray-100);
    border-radius: 24px;
    transition: background 0.2s ease;
}

.groundbreaker__input-wrap:focus-within {
    background: var(--groundbreaker-gray-50);
    box-shadow: 0 0 0 2px var(--groundbreaker-accent);
}

.groundbreaker__input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    color: var(--groundbreaker-gray-800);
    resize: none;
    max-height: 120px;
    padding: 6px 0;
}

.groundbreaker__input:focus {
    outline: none;
}

.groundbreaker__input::placeholder {
    color: var(--groundbreaker-gray-400);
}

.groundbreaker__send {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--groundbreaker-accent);
    border-radius: 50%;
    color: var(--groundbreaker-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.groundbreaker__send:hover:not(:disabled) {
    background: var(--groundbreaker-accent-light);
    transform: scale(1.05);
}

.groundbreaker__send:disabled {
    background: var(--groundbreaker-gray-300);
    cursor: not-allowed;
}

.groundbreaker__disclaimer {
    font-size: 11px;
    color: var(--groundbreaker-gray-400);
    text-align: center;
    margin: 8px 0 0;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 480px) {
    .groundbreaker {
        bottom: 16px;
        right: 16px;
    }

    .groundbreaker__toggle {
        width: 56px;
        height: 56px;
    }

    .groundbreaker__window {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        max-height: none;
        bottom: 72px;
        right: 0;
    }

    .groundbreaker__booking-time-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .groundbreaker__quick-btn {
        font-size: 12px;
        padding: 8px;
    }

    .groundbreaker__quick-btn svg {
        display: none;
    }
}

/* Landscape mobile - prevent chat from being too tall */
@media (max-width: 480px) and (orientation: landscape) {
    .groundbreaker__window {
        height: 70vh;
        max-height: 300px;
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .groundbreaker__toggle-pulse,
    .groundbreaker__typing span {
        animation: none;
    }

    .groundbreaker__toggle,
    .groundbreaker__window,
    .groundbreaker__message {
        transition-duration: 0.01ms;
    }
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .groundbreaker__messages {
        background: var(--groundbreaker-gray-800);
    }

    .groundbreaker__message--bot .groundbreaker__message-content {
        background: var(--groundbreaker-gray-700);
        color: var(--groundbreaker-gray-100);
    }

    .groundbreaker__quick-actions,
    .groundbreaker__input-area {
        background: var(--groundbreaker-gray-800);
        border-color: var(--groundbreaker-gray-700);
    }

    .groundbreaker__quick-btn {
        background: var(--groundbreaker-gray-700);
        border-color: var(--groundbreaker-gray-600);
        color: var(--groundbreaker-gray-200);
    }

    .groundbreaker__input-wrap {
        background: var(--groundbreaker-gray-700);
    }

    .groundbreaker__input {
        color: var(--groundbreaker-gray-100);
    }
}