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

:root {
    --primary-color: #8B5CF6;
    --secondary-color: #EC4899;
    --accent-color: #F59E0B;
    --danger-color: #EF4444;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --gold-color: #FFD700;
    --gold-dark: #B8860B;
    
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --chat-bg: #ffffff;
    --message-outgoing: linear-gradient(135deg, #8B5CF6, #EC4899);
    --message-incoming: #F3F4F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --border-color: #E5E7EB;
    --hover-bg: #F9FAFB;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Poppins', 'Inter', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.1"><path d="M10,50 Q30,30 50,50 T90,50" stroke="white" fill="none" stroke-width="2"/><circle cx="50" cy="50" r="3" fill="white"/></svg>') repeat;
    pointer-events: none;
}

.app-container {
    width: 100%;
    max-width: 450px;
    height: 85vh;
    margin: 20px;
    position: relative;
    z-index: 1;
}

/* Login Screen */
.login-screen {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 40px;
    padding: 40px 30px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.login-header .logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.input-group {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.input-group label i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: white;
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.input-group input:hover {
    border-color: var(--primary-color);
}

.login-info {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
    border-radius: 20px;
    padding: 20px;
    margin: 20px 0;
    display: flex;
    justify-content: space-around;
    border: 1px solid rgba(139, 92, 246, 0.2);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(5px);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-2px);
    background: white;
    box-shadow: var(--shadow-md);
}

.user-demo {
    font-weight: 600;
    color: var(--primary-color);
    background: white;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.pass-demo {
    color: var(--text-secondary);
    font-size: 0.8rem;
    background: rgba(139, 92, 246, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.btn-login {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition);
    margin: 10px 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-login:hover::before {
    width: 300px;
    height: 300px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.login-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 16px;
    color: var(--success-color);
    font-size: 0.9rem;
    margin-top: 20px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.login-note i {
    color: var(--success-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.login-footer {
    margin-top: 25px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.8rem;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

/* Made by Aldi_Ajja21 with crown and gold */
.made-by {
    margin-top: 25px;
    padding: 15px;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(184, 134, 11, 0.1));
    border-radius: 50px;
    position: relative;
    z-index: 1;
    animation: glow 2s ease-in-out infinite;
    border: 1px solid var(--gold-color);
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px var(--gold-color);
    }
    50% {
        box-shadow: 0 0 20px var(--gold-color), 0 0 30px var(--gold-dark);
    }
}

.made-by .gold-text {
    color: var(--gold-dark);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.made-by .creator-name {
    background: linear-gradient(135deg, var(--gold-color), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 8px;
    position: relative;
    display: inline-block;
}

.made-by .creator-name::before,
.made-by .creator-name::after {
    content: '✨';
    font-size: 0.8rem;
    opacity: 0.5;
    margin: 0 5px;
}

.gold-crown {
    color: var(--gold-color);
    font-size: 1.2rem;
    margin: 0 5px;
    animation: bounce 1s ease infinite;
    filter: drop-shadow(0 0 5px var(--gold-color));
}

.gold-star {
    color: var(--gold-color);
    font-size: 1rem;
    margin: 0 3px;
    animation: twinkle 1.5s ease infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

/* Chat Container */
.chat-container {
    background: var(--chat-bg);
    height: 100%;
    border-radius: 40px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.5s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Chat Header */
.chat-header {
    background: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

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

.back-btn {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, #FEE2E2, #FECACA);
    color: #EF4444;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-btn:hover {
    transform: scale(1.1) rotate(90deg);
    background: linear-gradient(135deg, #FECACA, #FCA5A5);
}

.chat-partner {
    display: flex;
    align-items: center;
    gap: 12px;
}

.partner-avatar {
    width: 50px;
    height: 50px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    position: relative;
    overflow: hidden;
}

.partner-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

.partner-avatar.user1-bg {
    background: linear-gradient(135deg, #8B5CF6, #6D28D9);
}

.partner-avatar.user2-bg {
    background: linear-gradient(135deg, #10B981, #047857);
}

.partner-avatar span {
    position: relative;
    z-index: 1;
}

.partner-info h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.partner-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #9CA3AF;
    transition: var(--transition);
    position: relative;
}

.status-dot.online {
    background: #10B981;
}

.status-dot.online::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.3);
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

.status-text {
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, #F3F4F6, #E5E7EB);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.user-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.user-badge i {
    color: var(--primary-color);
}

.header-action {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    border: none;
    background: #F3F4F6;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-action:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.1);
}

/* Chat Info Bar */
.chat-info-bar {
    background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #1E40AF;
    flex-wrap: wrap;
    border-bottom: 1px solid rgba(255,255,255,0.3);
}

.chat-info-bar i {
    font-size: 0.9rem;
    animation: spin 4s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.separator {
    color: #93C5FD;
}

.chat-date {
    font-weight: 500;
    position: relative;
    padding-left: 5px;
}

/* Messages Area */
.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #F9FAFB;
    background-image: radial-gradient(circle at 10px 10px, rgba(139, 92, 246, 0.05) 2px, transparent 2px);
    background-size: 30px 30px;
}

.messages-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.system-message {
    background: white;
    border-radius: 24px;
    padding: 20px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    animation: slideIn 0.5s ease;
}

.system-message i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Message Bubbles */
.message {
    display: flex;
    animation: slideIn 0.3s ease;
    position: relative;
}

.message.outgoing {
    justify-content: flex-end;
}

.message.incoming {
    justify-content: flex-start;
}

.message-content {
    max-width: 75%;
    padding: 14px 18px;
    border-radius: 24px;
    position: relative;
    word-wrap: break-word;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.message-content:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.message.outgoing .message-content {
    background: var(--message-outgoing);
    color: white;
    border-bottom-right-radius: 6px;
}

.message.incoming .message-content {
    background: var(--message-incoming);
    color: var(--text-primary);
    border-bottom-left-radius: 6px;
}

.message-image {
    max-width: 200px;
    max-height: 200px;
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: block;
    margin-bottom: 8px;
}

.message-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.message-text {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 6px;
}

.message-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    font-size: 0.7rem;
}

.message.incoming .message-footer {
    color: var(--text-light);
}

.message.outgoing .message-footer {
    color: rgba(255, 255, 255, 0.8);
}

.message-status i {
    font-size: 0.7rem;
}

.message-status i.read {
    color: #93C5FD;
}

/* Message Actions (Edit & Delete) */
.message-actions {
    position: absolute;
    top: -15px;
    right: 0;
    display: flex;
    gap: 5px;
    background: white;
    border-radius: 30px;
    padding: 5px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition);
    z-index: 10;
    border: 1px solid var(--border-color);
}

.message.outgoing .message-actions {
    right: 0;
}

.message.incoming .message-actions {
    left: 0;
    right: auto;
}

.message:hover .message-actions {
    opacity: 1;
    transform: translateY(0);
}

.message-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #F3F4F6;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.message-action-btn:hover {
    transform: scale(1.1);
}

.message-action-btn.edit-btn:hover {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
    color: white;
}

.message-action-btn.delete-btn:hover {
    background: #EF4444;
    color: white;
}

/* Deleted Message Style */
.message.deleted .message-content {
    background: #F3F4F6;
    color: var(--text-light);
    font-style: italic;
    opacity: 0.8;
}

.message.deleted .message-text {
    display: flex;
    align-items: center;
    gap: 5px;
}

.message.deleted .message-text i {
    font-size: 0.9rem;
    color: var(--text-light);
}

.message.deleted .message-actions {
    display: none;
}

/* Edited Badge */
.edited-badge {
    font-size: 0.65rem;
    opacity: 0.7;
    background: rgba(0,0,0,0.1);
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 5px;
}

.message.outgoing .edited-badge {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* Delete Message Preview */
.delete-message-preview {
    background: #F3F4F6;
    padding: 12px;
    border-radius: 12px;
    margin-top: 10px;
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid #EF4444;
}

/* Typing Indicator */
.typing-indicator {
    padding: 12px 20px;
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
    min-height: 40px;
    background: white;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.typing-indicator::before {
    content: '';
    position: absolute;
    left: 20px;
    bottom: 15px;
    width: 30px;
    height: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    animation: typing 1s ease infinite;
    opacity: 0.3;
}

@keyframes typing {
    0%, 100% {
        width: 30px;
    }
    50% {
        width: 50px;
    }
}

/* Input Area */
.input-area {
    padding: 16px 20px;
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.input-action {
    width: 45px;
    height: 45px;
    border-radius: 16px;
    border: none;
    background: #F3F4F6;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-action:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.input-wrapper {
    flex: 2;
    min-width: 200px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background: #F3F4F6;
    border-radius: 30px;
    padding: 6px 6px 6px 20px;
    transition: var(--transition);
}

.input-wrapper:focus-within {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
    background: white;
}

.message-input {
    flex: 1;
    border: none;
    background: none;
    padding: 12px 0;
    font-size: 0.95rem;
    resize: none;
    max-height: 100px;
    font-family: 'Poppins', sans-serif;
}

.message-input:focus {
    outline: none;
}

.message-input::placeholder {
    color: var(--text-light);
}

.send-btn {
    width: 45px;
    height: 45px;
    border-radius: 16px;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-btn:hover:not(:disabled) {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: var(--shadow-lg);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

/* Emoji Picker */
.emoji-picker {
    position: absolute;
    bottom: 100px;
    left: 16px;
    right: 16px;
    background: white;
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    display: none;
    z-index: 100;
    animation: slideUp 0.3s ease;
}

.emoji-picker.show {
    display: block;
}

.emoji-header {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.emoji-tab {
    background: none;
    border: none;
    font-size: 1.4rem;
    padding: 10px 15px;
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.emoji-tab:hover {
    background: var(--hover-bg);
    transform: scale(1.1);
}

.emoji-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
    max-height: 250px;
    overflow-y: auto;
    padding: 5px;
}

.emoji-grid span {
    font-size: 1.5rem;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    border-radius: 12px;
    transition: var(--transition);
}

.emoji-grid span:hover {
    background: var(--hover-bg);
    transform: scale(1.2);
}

/* Edit Message Input */
.edit-message-input {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    resize: none;
    transition: var(--transition);
}

.edit-message-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 40px;
    width: 90%;
    max-width: 500px;
    animation: modalSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.modal-content.large {
    max-width: 600px;
}

.modal-content.image-modal {
    max-width: 800px;
}

.modal-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #F9FAFB, #F3F4F6);
}

.modal-header i {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-header i.fa-exclamation-triangle {
    -webkit-text-fill-color: #EF4444;
    background: none;
}

.modal-header h3 {
    flex: 1;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-light);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--hover-bg);
    color: var(--danger-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.screenshot-preview,
.file-preview {
    text-align: center;
    margin-bottom: 20px;
}

.screenshot-preview img,
.file-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.screenshot-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.file-info {
    background: #F3F4F6;
    padding: 15px;
    border-radius: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-all;
    border: 1px solid var(--border-color);
}

.modal-footer {
    padding: 20px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
    background: #F9FAFB;
}

.modal-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
}

.modal-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.modal-btn.secondary {
    background: #F3F4F6;
    color: var(--text-primary);
}

.modal-btn.secondary:hover {
    background: #E5E7EB;
    transform: translateY(-2px);
}

.modal-btn.cancel {
    background: #FEE2E2;
    color: #EF4444;
}

.modal-btn.cancel:hover {
    background: #FECACA;
}

.modal-btn.confirm {
    background: #EF4444;
    color: white;
}

.modal-btn.confirm:hover {
    background: #DC2626;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 50px;
    padding: 16px 28px;
    box-shadow: var(--shadow-xl);
    display: none;
    align-items: center;
    gap: 12px;
    z-index: 1100;
    border: 1px solid rgba(139, 92, 246, 0.2);
    animation: slideUp 0.3s ease;
}

.toast.show {
    display: flex;
}

.toast i {
    font-size: 1.3rem;
}

.toast i.fa-check-circle {
    color: #10B981;
}

.toast i.fa-exclamation-circle {
    color: #EF4444;
}

.toast i.fa-info-circle {
    color: #8B5CF6;
}

.toast span {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Animations */
@keyframes slideUp {
    from {
        transform: translateY(30px) translateX(-50%);
        opacity: 0;
    }
    to {
        transform: translateY(0) translateX(-50%);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalSlide {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #F3F4F6;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* Responsive */
@media (max-width: 500px) {
    .app-container {
        margin: 0;
        height: 100vh;
    }
    
    .login-card,
    .chat-container {
        border-radius: 0;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .message-image {
        max-width: 150px;
        max-height: 150px;
    }
    
    .chat-info-bar {
        font-size: 0.75rem;
    }
    
    .user-badge span {
        display: none;
    }
    
    .input-area {
        gap: 6px;
    }
    
    .input-action {
        width: 40px;
        height: 40px;
    }
    
    .send-btn {
        width: 40px;
        height: 40px;
    }
    
    .made-by .creator-name {
        font-size: 1rem;
    }
    
    .made-by .creator-name::before,
    .made-by .creator-name::after {
        content: '';
    }
    
    .message-actions {
        top: -10px;
    }
    
    .message-action-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
}