/* 🧹 KRUXOAI CHAT VAULT STYLESHEET */

/* CURATED DESIGN VARIABLES */
:root {
    --vault-bg: #0b0f19;
    --vault-glass: rgba(15, 23, 42, 0.75);
    --vault-border: rgba(255, 255, 255, 0.08);
    --vault-card: rgba(30, 41, 59, 0.45);
    
    --vault-warning: #f59e0b; /* Amber */
    --vault-warning-glow: rgba(245, 158, 11, 0.15);
    
    --vault-delete: #ef4444; /* Premium Crimson Red */
    --vault-delete-glow: rgba(239, 68, 68, 0.25);
    
    --vault-gold: #fbbf24; /* Radiant Yellow/Gold */
    --vault-gold-glow: rgba(251, 191, 36, 0.25);
    
    --vault-success: #10b981; /* Emerald */
    --vault-success-glow: rgba(16, 185, 129, 0.25);
    
    --vault-badge: #6366f1; /* Royal Purple */
    --vault-badge-glow: rgba(99, 102, 241, 0.35);
    
    --vault-text-main: #f8fafc;
    --vault-text-dim: #94a3b8;
}

/* 1. WARNING NOTIFICATION BANNER */
.vault-warning-banner {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 15px 20px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.03) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--vault-warning-glow);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.vault-warning-banner.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    height: auto;
    margin: 15px 20px;
    padding: 16px 24px;
}

.vault-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vault-banner-icon {
    font-size: 1.5rem;
    animation: vault-float 2s infinite ease-in-out;
}

.vault-banner-text {
    font-size: 0.95rem;
    color: var(--vault-text-main);
    font-weight: 500;
}

.vault-emerald-text {
    color: var(--vault-success);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.vault-banner-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vault-banner-btn-primary {
    background: var(--vault-warning);
    color: #000;
    border: none;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.vault-banner-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.5);
}

.vault-banner-btn-close {
    background: transparent;
    border: none;
    color: var(--vault-text-dim);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s ease;
}

.vault-banner-btn-close:hover {
    color: var(--vault-delete);
}

/* 2. FULL SCREEN VAULT OVERLAY MODAL */
.vault-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: rgba(4, 6, 10, 0.8);
    backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.vault-modal.visible {
    opacity: 1;
    pointer-events: auto;
}

.vault-modal-glass {
    width: 90%;
    max-width: 950px;
    height: 85vh;
    background: var(--vault-glass);
    border: 1px solid var(--vault-border);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95) translateY(15px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.vault-modal.visible .vault-modal-glass {
    transform: scale(1) translateY(0);
}

.vault-modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--vault-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vault-header-title-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.vault-header-icon {
    font-size: 2.2rem;
}

.vault-header-title-block h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--vault-text-main);
    letter-spacing: -0.5px;
}

.vault-header-title-block p {
    margin: 4px 0 0 0;
    font-size: 0.85rem;
    color: var(--vault-text-dim);
}

.vault-modal-close-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--vault-border);
    color: var(--vault-text-dim);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
}

.vault-modal-close-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--vault-delete);
    border-color: rgba(239, 68, 68, 0.2);
}

.vault-modal-body {
    flex: 1;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
}

/* Global Options Bar */
.vault-options-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--vault-border);
    border-radius: 12px;
}

.vault-options-left {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.vault-action-outline-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--vault-border);
    color: var(--vault-text-main);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vault-action-outline-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.vault-gold-hover:hover {
    border-color: var(--vault-gold);
    color: var(--vault-gold);
    background: rgba(251, 191, 36, 0.05);
}

.vault-download-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--vault-text-main);
    cursor: pointer;
}

.vault-download-option input {
    accent-color: var(--vault-warning);
    width: 16px;
    height: 16px;
}

/* Chat Item Elements */
.vault-list-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding-right: 5px;
}

.vault-chat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--vault-card);
    border: 1px solid var(--vault-border);
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.vault-chat-item:hover {
    background: rgba(30, 41, 59, 0.65);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(3px);
}

.vault-chat-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.vault-chat-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--vault-warning);
    cursor: pointer;
}

.vault-chat-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vault-chat-title {
    font-weight: 700;
    color: var(--vault-text-main);
    font-size: 0.95rem;
}

.vault-chat-meta {
    font-size: 0.78rem;
    color: var(--vault-text-dim);
}

.vault-chat-actions {
    display: flex;
    gap: 8px;
}

.vault-star-btn, .vault-delete-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--vault-border);
    background: rgba(255, 255, 255, 0.02);
    color: var(--vault-text-dim);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
}

.vault-star-btn:hover {
    color: var(--vault-gold);
    border-color: var(--vault-gold);
    background: rgba(251, 191, 36, 0.08);
}

.vault-delete-btn:hover {
    color: var(--vault-delete);
    border-color: var(--vault-delete);
    background: rgba(239, 68, 68, 0.08);
}

/* Empty State */
.vault-empty-state {
    text-align: center;
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    animation: vault-pulse 2.5s infinite ease-in-out;
}

.vault-empty-state h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--vault-text-main);
}

.vault-empty-state p {
    margin: 8px 0 0 0;
    color: var(--vault-text-dim);
    font-size: 0.9rem;
}

/* Footer control panel */
.vault-modal-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--vault-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(6, 8, 14, 0.4);
}

.vault-footer-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.95rem;
    color: var(--vault-text-main);
}

.vault-divider {
    color: var(--vault-border);
}

.vault-xp-glow {
    color: var(--vault-success);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
}

.vault-footer-actions {
    display: flex;
    gap: 12px;
}

.vault-cancel-btn {
    background: transparent;
    border: 1px solid var(--vault-border);
    color: var(--vault-text-dim);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vault-cancel-btn:hover {
    color: var(--vault-text-main);
    background: rgba(255, 255, 255, 0.05);
}

.vault-delete-action-btn {
    background: var(--vault-delete);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.35);
    display: flex;
    align-items: center;
    gap: 8px;
}

.vault-delete-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

/* 3. BATCH DELETION PROGRESS OVERLAY */
.vault-progress-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    background: rgba(4, 6, 10, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.vault-progress-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.vault-progress-card {
    background: #0f172a;
    border: 1px solid var(--vault-border);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.vault-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(239, 68, 68, 0.1);
    border-top-color: var(--vault-delete);
    border-radius: 50%;
    animation: vault-spin 1s infinite linear;
    margin: 0 auto 20px;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
}

.vault-progress-card h3 {
    margin: 0;
    color: var(--vault-text-main);
    font-size: 1.25rem;
}

.vault-progress-card p {
    margin: 10px 0 24px 0;
    color: var(--vault-text-dim);
    font-size: 0.85rem;
}

.vault-progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.vault-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--vault-delete), var(--vault-warning));
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* 4. BADGE UNLOCK POPUP MODAL */
.vault-badge-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    background: rgba(4, 6, 10, 0.85);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.vault-badge-popup.visible {
    opacity: 1;
    pointer-events: auto;
}

.vault-badge-card {
    background: linear-gradient(135deg, #13122c 0%, #080718 100%);
    border: 1px solid rgba(99, 102, 241, 0.4);
    box-shadow: 0 15px 40px var(--vault-badge-glow);
    border-radius: 24px;
    padding: 40px;
    width: 90%;
    max-width: 380px;
    text-align: center;
    transform: scale(0.9) rotate(-3deg);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.vault-badge-popup.visible .vault-badge-card {
    transform: scale(1) rotate(0);
}

.vault-badge-sparkle {
    font-size: 2rem;
    position: absolute;
    top: 20px;
    right: 30px;
    animation: vault-float 2.5s infinite ease-in-out;
}

.vault-badge-shield {
    font-size: 4.5rem;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 15px rgba(99, 102, 241, 0.6));
    animation: vault-float 2s infinite ease-in-out alternate;
}

.vault-badge-card h3 {
    margin: 0;
    color: var(--vault-badge);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.vault-badge-card h2 {
    margin: 8px 0 12px 0;
    color: var(--vault-text-main);
    font-size: 2rem;
    font-weight: 850;
    letter-spacing: -0.5px;
}

.vault-badge-card p {
    margin: 0 0 28px 0;
    color: var(--vault-text-dim);
    font-size: 0.88rem;
    line-height: 1.5;
}

.vault-badge-ok-btn {
    background: var(--vault-badge);
    color: white;
    border: none;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.vault-badge-ok-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

/* 5. SMART LOGIN OVERLAY NUDGE */
.vault-fullscreen-prompt {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1050;
    background: rgba(4, 6, 10, 0.9);
    backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s ease;
}

.vault-fullscreen-prompt.visible {
    opacity: 1;
    pointer-events: auto;
}

.vault-prompt-box {
    background: var(--vault-glass);
    border: 1px solid var(--vault-border);
    box-shadow: 0 25px 60px rgba(0,0,0,0.7);
    border-radius: 28px;
    padding: 48px;
    width: 90%;
    max-width: 480px;
    text-align: center;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.vault-fullscreen-prompt.visible .vault-prompt-box {
    transform: translateY(0);
}

.vault-prompt-art {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: vault-shake 4s infinite ease-in-out;
}

.vault-prompt-box h2 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 850;
    color: var(--vault-text-main);
    letter-spacing: -0.5px;
}

.vault-prompt-box p {
    margin: 14px 0 32px 0;
    color: var(--vault-text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
}

.vault-prompt-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vault-prompt-btn-primary {
    background: var(--vault-warning);
    color: #000;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: 750;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.vault-prompt-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.vault-prompt-btn-secondary {
    background: transparent;
    border: 1px solid var(--vault-border);
    color: var(--vault-text-dim);
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vault-prompt-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--vault-text-main);
}

/* 6. FLOATING XP EARNED ANIMATION */
.vault-xp-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 2.2rem;
    font-weight: 900;
    padding: 20px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    pointer-events: none;
    animation: vault-xp-float-fade 2.5s cubic-bezier(0.25, 1, 0.50, 1) forwards;
}

/* ==========================================================================
   CSS ANIMATIONS KEYFRAMES
   ========================================================================== */

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

@keyframes vault-float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

@keyframes vault-pulse {
    0% { transform: scale(1); filter: drop-shadow(0 0 0px rgba(16, 185, 129, 0)); }
    50% { transform: scale(1.05); filter: drop-shadow(0 0 15px rgba(16, 185, 129, 0.4)); }
    100% { transform: scale(1); filter: drop-shadow(0 0 0px rgba(16, 185, 129, 0)); }
}

@keyframes vault-shake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-5deg); }
    20%, 40% { transform: rotate(5deg); }
    50% { transform: rotate(0deg); }
}

@keyframes vault-xp-float-fade {
    0% {
        opacity: 0;
        transform: translate(-50%, -30%) scale(0.7);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
    25% {
        transform: translate(-50%, -50%) scale(1);
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -120%) scale(0.85);
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN RULES
   ========================================================================== */

@media (max-width: 768px) {
    .vault-warning-banner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin: 10px;
        padding: 12px 16px;
    }

    .vault-banner-buttons {
        justify-content: space-between;
    }

    .vault-modal-glass {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .vault-modal-header {
        padding: 16px 20px;
    }

    .vault-modal-body {
        padding: 16px 20px;
        gap: 15px;
    }

    .vault-options-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .vault-options-left {
        justify-content: space-between;
    }

    .vault-action-outline-btn {
        flex: 1;
        text-align: center;
        padding: 8px;
    }

    .vault-chat-item {
        padding: 12px 14px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .vault-chat-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .vault-modal-footer {
        padding: 16px 20px;
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .vault-footer-stats {
        justify-content: center;
    }

    .vault-footer-actions {
        display: flex;
        gap: 10px;
    }

    .vault-cancel-btn, .vault-delete-action-btn {
        flex: 1;
        justify-content: center;
    }
}