* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --secondary-light: #1e293b;
    --accent: #3b82f6;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
    --register: #3b82f6;
    --register-dark: #2563eb;
}

body {
    color: var(--text);
    background: linear-gradient(-45deg, #0a0f1a, #0f172a, #1e293b);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    position: relative;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    background: rgba(59, 130, 246, 0.6);
    border-radius: 50%;
    animation: float 15s infinite linear;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

@keyframes float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    animation: rotate 30s infinite linear;
}

.shape:nth-child(1) {
    width: 150px;
    height: 150px;
    top: 10%;
    left: 10%;
    border-radius: 50%;
    animation-duration: 25s;
}

.shape:nth-child(2) {
    width: 100px;
    height: 100px;
    top: 70%;
    left: 80%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-duration: 20s;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 120px;
    height: 120px;
    top: 20%;
    left: 80%;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation-duration: 35s;
    animation-delay: 4s;
}

.shape:nth-child(4) {
    width: 80px;
    height: 80px;
    top: 60%;
    left: 15%;
    border-radius: 50%;
    animation-duration: 18s;
    animation-delay: 1s;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
    animation: pulseEffect 8s infinite ease-in-out;
}

@keyframes pulseEffect {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.2;
    }
}

.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 900px;
    margin: auto;
    padding-top: 20px;
    padding-bottom: 20px;
}

.form-container, .data-container {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.3);
    transition: transform 0.3s ease;
    z-index: 1;
    margin-bottom: 20px;
}

.form-container:hover, .data-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.5);
}

.form-header {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    color: white;
    padding: 30px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.form-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    transform: rotate(30deg);
}

.form-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
    position: relative;
}

.form-header p {
    font-size: 16px;
    opacity: 0.9;
    position: relative;
    color: var(--text-secondary);
}

.form-icon {
    background: var(--primary);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 32px;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.form-body {
    padding: 30px;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 18px;
}

.input-with-icon input {
    width: 100%;
    padding: 15px 15px 15px 50px;
    background: rgba(30, 41, 59, 0.7);
    border: 2px solid rgba(37, 99, 235, 0.4);
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s;
    color: var(--text);
}

.input-with-icon input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
    background: rgba(30, 41, 59, 0.9);
}

.input-with-icon input::placeholder {
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-direction: column;
}

.btn {
    width: 100%;
    padding: 15px;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.login-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.5);
}

.register-btn {
    background: linear-gradient(135deg, var(--register) 0%, var(--register-dark) 100%);
    margin-top: 10px;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.5);
}

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

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    display: none;
    font-weight: 500;
}

.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 2px solid rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    text-align: left;
}

.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.loading {
    text-align: center;
    margin-top: 20px;
    display: none;
}

.loading-spinner {
    border: 4px solid rgba(30, 41, 59, 0.4);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.form-footer {
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    border-top: 1px solid rgba(30, 41, 59, 0.7);
}

.data-container {
    width: 100%;
    max-width: 800px;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    padding: 30px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.3);
    z-index: 1;
}

.data-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.5);
}

.data-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(30, 41, 59, 0.7);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.data-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 2px;
}

.data-header h1 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 5px;
    font-weight: 700;
}

.data-header p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 15px;
}

.header-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.header-buttons .btn {
    width: auto;
    min-width: 120px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 15px;
}

.user-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.7) 100%);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border-left: 5px solid var(--primary);
}

.welcome-message {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.user-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-item {
    background: rgba(30, 41, 59, 0.7);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.info-label i {
    margin-right: 10px;
    color: var(--primary);
}

.info-value {
    color: var(--text);
    font-size: 18px;
    font-weight: 600;
    font-family: monospace;
    word-break: break-all;
}

.logout-btn {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.4);
}

.setting-btn {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(239, 68, 68, 0.5);
}

.setting-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(15, 23, 42, 0.5);
}

.logout-btn i, .setting-btn i {
    margin-right: 8px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-in-out forwards;
    padding: 20px;
}

.modal-content {
    background: rgba(15, 23, 42, 0.95);
    padding: 30px;
    border-radius: 20px;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(37, 99, 235, 0.3);
    animation: scaleIn 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55) forwards;
    position: relative;
}

.close-btn {
    color: var(--text-secondary);
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    transition: color 0.2s;
    line-height: 1;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--danger);
    text-decoration: none;
    cursor: pointer;
}

.copy-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.copy-btn:hover {
    background-color: var(--primary-dark);
}

.chat-content {
    display: flex;
    flex-direction: column;
    height: 400px;
    justify-content: space-between;
}

.message-list {
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 15px;
    margin-bottom: 15px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}

.message-list::-webkit-scrollbar {
    width: 8px;
}

.message-list::-webkit-scrollbar-thumb {
    background-color: var(--primary);
    border-radius: 4px;
}

.message-list::-webkit-scrollbar-track {
    background: transparent;
}

.chat-message {
    background: var(--secondary-light);
    padding: 10px 15px;
    border-radius: 15px;
    margin-bottom: 10px;
    word-wrap: break-word;
    animation: slideIn 0.3s ease-out;
}

.chat-message.self {
    background: var(--primary);
    margin-left: auto;
}

.chat-message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.chat-name {
    font-weight: 600;
    color: var(--text);
    font-size: 14px;
}

.chat-time {
    font-size: 10px;
    color: var(--text-secondary);
}

.chat-text {
    font-size: 14px;
    color: var(--text);
    line-height: 1.4;
}

.chat-input {
    display: flex;
    gap: 10px;
    position: relative;
}

.chat-input input {
    flex-grow: 1;
    padding: 12px 15px;
    border: 2px solid var(--primary);
    border-radius: 10px;
    background: rgba(30, 41, 59, 0.7);
    color: var(--text);
    font-size: 16px;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--accent);
}

.chat-input button {
    width: auto;
    padding: 12px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s;
}

.chat-input button:hover {
    background: var(--primary-dark);
}

.chat-cooldown-message {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: var(--danger);
    display: none;
}

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

@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    .form-container, .data-container {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .user-info {
        grid-template-columns: 1fr;
    }

    .data-header h1 {
        font-size: 28px;
    }

    .header-buttons {
        flex-direction: column;
        width: 100%;
    }

    .header-buttons .btn {
        width: 100%;
    }

    .success {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .success span {
        text-align: center;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }

    .form-header h1 {
        font-size: 24px;
    }
}

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

@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}