/* ==========================================================================
   GURU AI - ADMISSIONS CHATBOT & COURSE REGISTRATION WIDGET
   Palette: Deep Royal Sapphire (#07153D), Cobalt (#2A4FD6), Bronze Gold (#B88A44)
   ========================================================================== */

:root {
    --guru-primary: #07153D;
    --guru-primary-light: #0D2261;
    --guru-accent: #2A4FD6;
    --guru-accent-hover: #1E3EBA;
    --guru-gold: #2A4FD6;
    --guru-gold-light: #E0EAFF;
    --guru-bg: #FFFFFF;
    --guru-bubble-bot: #F0F4FC;
    --guru-bubble-user: #0D2261;
    --guru-border: #D8E3F5;
    --guru-text-dark: #0A122A;
    --guru-text-muted: #5A6987;
    --guru-shadow: 0 20px 50px rgba(7, 21, 61, 0.22);
}

/* Floating Launcher Trigger */
.guru-bot-launcher {
    position: fixed;
    bottom: 26px;
    right: 26px;
    z-index: 99999;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    font-family: 'Inter Tight', -apple-system, sans-serif;
}

.guru-bot-tooltip {
    background: #FFFFFF;
    color: var(--guru-text-dark);
    padding: 10px 16px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(7, 21, 61, 0.15);
    border: 1px solid var(--guru-border);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: guruFloat 3s ease-in-out infinite;
    max-width: 250px;
    line-height: 1.35;
    position: relative;
}

.guru-bot-tooltip .badge-gold {
    background: linear-gradient(135deg, #1E44D8 0%, #2A4FD6 100%);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 99px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(42, 79, 214, 0.35);
}

.guru-bot-tooltip-close {
    font-size: 13px;
    color: #94A3B8;
    cursor: pointer;
    margin-left: 4px;
    transition: color 0.2s;
}

.guru-bot-tooltip-close:hover {
    color: #334155;
}

.guru-bot-btn {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    background: linear-gradient(135deg, #07153D 0%, #15328A 100%);
    box-shadow: 0 8px 26px rgba(13, 34, 97, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    border: 2.5px solid #CAD5E8;
}

.guru-bot-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 14px 34px rgba(13, 34, 97, 0.6);
}

.guru-bot-btn img.emblem-icon {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 50%;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.guru-bot-pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--guru-gold);
    animation: guruPulse 2.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
    pointer-events: none;
}

.guru-bot-status-dot {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #10B981;
    border: 2.5px solid #FFFFFF;
}

/* Chat Window Frame */
.guru-bot-window {
    position: fixed;
    bottom: 102px;
    right: 26px;
    width: 410px;
    max-width: calc(100vw - 32px);
    height: 620px;
    max-height: calc(100vh - 120px);
    background: #FFFFFF;
    border-radius: 24px;
    box-shadow: var(--guru-shadow);
    border: 1px solid var(--guru-border);
    display: flex;
    flex-direction: column;
    z-index: 99999;
    overflow: hidden;
    font-family: 'Inter Tight', -apple-system, sans-serif;
    transform: translateY(20px) scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.guru-bot-window.active {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* Header */
.guru-header {
    background: linear-gradient(135deg, #07153D 0%, #0F2A7A 100%);
    color: #FFFFFF;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.guru-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #B88A44 0%, #F4E8D1 50%, #B88A44 100%);
}

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

.guru-header-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--guru-gold);
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    overflow: hidden;
}

.guru-header-avatar img {
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.guru-header-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.2px;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    color: #FFFFFF;
}

.guru-header-title .tag-ai {
    font-size: 9.5px;
    font-weight: 800;
    background: rgba(184, 138, 68, 0.35);
    border: 1px solid #B88A44;
    color: #F7E4B2;
    padding: 1px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.guru-header-sub {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.guru-header-sub span.online-badge {
    width: 7px;
    height: 7px;
    background: #10B981;
    border-radius: 50%;
    display: inline-block;
}

.guru-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.guru-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.guru-action-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: scale(1.05);
}

/* Chat Body */
.guru-chat-body {
    flex: 1;
    padding: 18px;
    overflow-y: auto;
    background: #F8FAFD;
    display: flex;
    flex-direction: column;
    gap: 14px;
    scroll-behavior: smooth;
}

/* Welcome Banner inside Chat */
.guru-welcome-banner {
    background: #FFFFFF;
    border: 1px solid var(--guru-border);
    border-radius: 16px;
    padding: 14px 16px;
    box-shadow: 0 4px 12px rgba(7, 21, 61, 0.04);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.guru-welcome-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2A4FD6, #B88A44);
}

.guru-welcome-banner h6 {
    font-size: 13.5px;
    font-weight: 800;
    color: var(--guru-primary);
    margin-bottom: 4px;
}

.guru-welcome-banner p {
    font-size: 11.5px;
    color: var(--guru-text-muted);
    margin-bottom: 8px;
}

.guru-welcome-badges {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.guru-badge-chip {
    font-size: 10.5px;
    font-weight: 700;
    background: #EFF4FC;
    color: var(--guru-accent);
    padding: 3px 8px;
    border-radius: 99px;
    border: 1px solid #D8E3F5;
}

/* Message Rows */
.guru-msg-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    animation: guruMsgFade 0.25s ease forwards;
}

.guru-msg-row.bot {
    justify-content: flex-start;
}

.guru-msg-row.user {
    justify-content: flex-end;
}

.guru-avatar-mini {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid var(--guru-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.guru-avatar-mini img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.guru-bubble {
    max-width: 82%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 13.5px;
    line-height: 1.48;
    position: relative;
    word-break: break-word;
}

.guru-msg-row.bot .guru-bubble {
    background: #FFFFFF;
    color: var(--guru-text-dark);
    border: 1px solid #E2E8F0;
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 10px rgba(7, 21, 61, 0.03);
}

.guru-msg-row.user .guru-bubble {
    background: linear-gradient(135deg, #07153D 0%, #15328A 100%);
    color: #FFFFFF;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(13, 34, 97, 0.2);
}

.guru-msg-time {
    font-size: 9.5px;
    color: #94A3B8;
    margin-top: 4px;
    display: block;
    text-align: right;
}

.guru-msg-row.user .guru-msg-time {
    color: rgba(255, 255, 255, 0.65);
}

/* Quick Action Chips */
.guru-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 8px;
}

.guru-chip {
    background: #FFFFFF;
    color: var(--guru-accent);
    border: 1.5px solid #D8E3F5;
    padding: 7px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.guru-chip:hover {
    background: var(--guru-accent);
    color: #FFFFFF;
    border-color: var(--guru-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(42, 79, 214, 0.25);
}

.guru-chip.gold {
    color: #8E6523;
    border-color: #E6CE9F;
    background: #FDFBF7;
}

.guru-chip.gold:hover {
    background: var(--guru-gold);
    color: #FFFFFF;
    border-color: var(--guru-gold);
}

/* Summary Card */
.guru-summary-card {
    background: #FFFFFF;
    border: 1.5px solid #B88A44;
    border-radius: 16px;
    padding: 14px 16px;
    margin-top: 6px;
    box-shadow: 0 6px 18px rgba(184, 138, 68, 0.12);
}

.guru-summary-card h6 {
    font-size: 13.5px;
    font-weight: 800;
    color: var(--guru-primary);
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 6px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.guru-summary-table {
    width: 100%;
    font-size: 12px;
    line-height: 1.4;
}

.guru-summary-table td {
    padding: 3px 0;
    vertical-align: top;
}

.guru-summary-table td.label {
    color: var(--guru-text-muted);
    font-weight: 600;
    width: 40%;
}

.guru-summary-table td.val {
    color: var(--guru-text-dark);
    font-weight: 700;
}

.guru-submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #07153D 0%, #15328A 100%);
    color: #FFFFFF;
    border: none;
    padding: 11px;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 700;
    margin-top: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(13, 34, 97, 0.3);
    transition: all 0.2s ease;
}

.guru-submit-btn:hover {
    background: linear-gradient(135deg, #0A1C54 0%, #2045B8 100%);
    transform: translateY(-1px);
}

/* Success Card */
.guru-success-card {
    background: #F0FDF4;
    border: 1.5px solid #86EFAC;
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    color: #14532D;
    margin-top: 6px;
}

.guru-success-icon {
    font-size: 32px;
    color: #16A34A;
    margin-bottom: 6px;
}

.guru-success-card h5 {
    font-size: 16px;
    font-weight: 800;
    color: #14532D;
    margin-bottom: 4px;
}

.guru-success-card p {
    font-size: 12px;
    color: #15803D;
    margin-bottom: 12px;
    line-height: 1.45;
}

.guru-download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.guru-dl-btn {
    padding: 8px;
    border-radius: 8px;
    font-size: 11.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.2s;
}

.guru-dl-btn.excel {
    background: #047857;
    color: #FFFFFF;
}

.guru-dl-btn.pdf {
    background: #0284C7;
    color: #FFFFFF;
}

/* Typing Indicator */
.guru-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    width: fit-content;
    border-bottom-left-radius: 4px;
}

.guru-typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #94A3B8;
    animation: guruBounce 1.4s infinite ease-in-out;
}

.guru-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.guru-typing-dot:nth-child(2) { animation-delay: -0.16s; }

/* Footer / Input Area */
.guru-footer {
    padding: 12px 16px;
    background: #FFFFFF;
    border-top: 1px solid #E2E8F0;
}

.guru-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #F8FAFD;
    border: 1.5px solid #D8E3F5;
    border-radius: 28px;
    padding: 4px 6px 4px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.guru-input-wrapper:focus-within {
    border-color: var(--guru-accent);
    box-shadow: 0 0 0 3px rgba(42, 79, 214, 0.12);
    background: #FFFFFF;
}

.guru-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13.5px;
    color: var(--guru-text-dark);
    outline: none;
    font-family: inherit;
}

.guru-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--guru-accent);
    color: #FFFFFF;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.guru-send-btn:hover {
    background: var(--guru-accent-hover);
    transform: scale(1.05);
}

.guru-input-helper {
    font-size: 10px;
    color: #94A3B8;
    text-align: center;
    margin-top: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.guru-input-helper a {
    color: #10B981;
    font-weight: 700;
    text-decoration: none;
}

/* Animations */
@keyframes guruPulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 0; }
    100% { transform: scale(1.3); opacity: 0; }
}

@keyframes guruFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes guruMsgFade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes guruBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .guru-bot-window {
        right: 12px;
        left: 12px;
        bottom: 86px;
        width: calc(100% - 24px);
        height: calc(100vh - 100px);
    }
    .guru-bot-launcher {
        bottom: 16px;
        right: 16px;
    }
    .guru-bot-tooltip {
        display: none;
    }
}