/* ================================================
   SKILLTECH CHAT WIDGET - FLOATING POPUP STYLES
   ================================================ */

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

:root {
    /* SkillTech Brand Colors */
    --orange-primary: #FF9D00;
    --orange-hover: #E68900;
    --orange-light: #FFF3E0;
    --dark-blue: #263B56;
    --white-bg: #FFFFFF;
    --light-grey-bg: #F8F9FA;
    --light-grey-border: #DEE2E6;
    --card-border: #E9ECEF;
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --success-green: #28A745;
    --shadow-sm: rgba(0, 0, 0, 0.05) 0px 2px 4px 0px;
    --shadow-md: rgba(0, 0, 0, 0.1) 0px 4px 8px 0px;
    --shadow-lg: rgba(0, 0, 0, 0.15) 0px 8px 16px 0px;
    --shadow-xl: rgba(0, 0, 0, 0.2) 0px 10px 25px 0px;
}

body {
    font-family: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
}

/* ================================================
   FLOATING WIDGET CONTAINER
   ================================================ */

.chat-widget-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

/* ================================================
   LAUNCHER BUTTON
   ================================================ */

.chat-launcher {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--orange-primary);
    color: white;
    border: none;
    font-size: 26px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.chat-launcher:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background: var(--orange-hover);
}

.chat-launcher:active {
    transform: scale(0.95);
}

.launcher-icon {
    position: absolute;
    transition: all 0.3s ease;
}

.launcher-icon.open-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

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

.chat-launcher.active .open-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.chat-launcher.active .close-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ================================================
   POPUP WINDOW
   ================================================ */

.chat-popup {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 400px;
    height: 650px;
    max-height: 85vh;
    background: var(--white-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    
    /* Animation */
    opacity: 0;
    transform: translateY(30px) scale(0.9);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.chat-popup.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.chat-window {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* ================================================
   CHAT HEADER
   ================================================ */

.chat-header {
    background: linear-gradient(135deg, var(--orange-primary) 0%, var(--orange-hover) 100%);
    color: white;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bot-avatar-small {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.header-info h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.status-line {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0.95;
    margin-top: 2px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 28px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    line-height: 1;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: rotate(90deg);
}

/* ================================================
   CHAT MESSAGES AREA
   ================================================ */

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--light-grey-bg);
    min-height: 0;
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #F1F3F5;
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--orange-primary);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--orange-hover);
}

/* ================================================
   WELCOME SCREEN
   ================================================ */

.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    background: var(--white-bg);
    border-radius: 12px;
}

.welcome-logo {
    width: 120px;
    height: auto;
    margin-bottom: 12px;
}

.welcome-screen h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-blue);
    letter-spacing: -0.4px;
}

.welcome-screen p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 16px;
    font-weight: 400;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.quick-action-btn {
    background: var(--white-bg);
    border: 2px solid var(--orange-primary);
    padding: 12px 18px;
    border-radius: 12px;
    color: var(--orange-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.quick-action-btn:hover {
    background: var(--orange-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* ================================================
   MESSAGE BUBBLES
   ================================================ */

.message {
    display: flex;
    gap: 10px;
    animation: messageSlide 0.4s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.message.bot .message-avatar {
    background: var(--orange-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.message.user .message-avatar {
    background: var(--dark-blue);
    color: white;
    box-shadow: var(--shadow-sm);
}

.message-content {
    max-width: 75%;
    border-radius: 14px;
    padding: 12px 16px;
    line-height: 1.5;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}

.message.bot .message-content {
    background: var(--white-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

.message.user .message-content {
    background: var(--orange-light);
    border: 1px solid var(--orange-primary);
    color: var(--dark-blue);
}

.message-time {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 400;
}

/* Goal Badge */
.goal-badge {
    display: inline-block;
    background: var(--orange-light);
    border: 1px solid var(--orange-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
    color: var(--orange-primary);
    margin-top: 6px;
}

/* ================================================
   TYPING INDICATOR
   ================================================ */

.typing-indicator {
    display: none;
    gap: 10px;
}

.typing-dots {
    background: var(--white-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 12px 16px;
    display: flex;
    gap: 5px;
    box-shadow: var(--shadow-sm);
}

.typing-dot {
    width: 7px;
    height: 7px;
    background: var(--orange-primary);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    30% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ================================================
   INPUT AREA
   ================================================ */

.chat-input-area {
    padding: 16px;
    border-top: 1px solid var(--card-border);
    background: var(--white-bg);
}

.chat-input-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.chat-input {
    flex: 1;
    background: var(--light-grey-bg);
    border: 2px solid var(--light-grey-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Inter Tight', sans-serif;
    transition: all 0.3s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--orange-primary);
    background: var(--white-bg);
    box-shadow: 0 0 0 3px rgba(255, 157, 0, 0.1);
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    width: 44px;
    height: 44px;
    background: var(--orange-primary);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.send-btn:hover {
    background: var(--orange-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.send-btn:active {
    transform: scale(0.95);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ================================================
   MOBILE RESPONSIVENESS
   ================================================ */

@media (max-width: 480px) {
    .chat-widget-container {
        bottom: 0;
        right: 0;
        left: 0;
        top: auto;
    }

    .chat-popup {
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        bottom: 0;
        right: 0;
        border-radius: 0;
        transform: translateY(100%);
    }

    .chat-popup.open {
        transform: translateY(0);
    }

    /* Hide launcher when chat is open on mobile */
    .chat-popup.open ~ .chat-launcher {
        display: none;
    }

    .chat-launcher {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .chat-header {
        padding: 16px 18px;
    }

    .welcome-logo {
        width: 100px;
    }

    .welcome-screen h2 {
        font-size: 20px;
    }

    .welcome-screen p {
        font-size: 13px;
    }

    .message-content {
        max-width: 80%;
        font-size: 13px;
    }
}

@media (max-width: 768px) and (min-width: 481px) {
    .chat-popup {
        width: 360px;
        height: 600px;
    }
}