/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --surface-color: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.15) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Animated background particles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(139, 92, 246, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(236, 72, 153, 0.3), transparent);
    background-size: 200% 200%;
    animation: particleMove 20s ease infinite;
    pointer-events: none;
    z-index: 0;
}

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

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--gradient-primary);
    position: relative;
    z-index: 1;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 48px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: slideUp 0.5s ease-out;
    position: relative;
    z-index: 1;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 32px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    margin-top: 24px;
}

.btn {
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.register-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.register-link:hover {
    text-decoration: underline;
}

.error-message {
    margin-top: 16px;
    padding: 12px;
    background-color: #fee2e2;
    color: var(--error-color);
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

/* Chat Page */
.chat-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.chat-header {
    background: var(--gradient-secondary);
    color: white;
    padding: 20px 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    font-size: 24px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    font-size: 14px;
    opacity: 0.9;
}

.btn-icon {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.welcome-message {
    margin-bottom: 16px;
}

.message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: fadeIn 0.3s ease-in;
}

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

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

.message-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    background: var(--gradient-secondary);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.message-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.user-message .message-avatar {
    background: var(--gradient-primary);
    color: white;
}

.message-content {
    max-width: 70%;
    flex: 1;
}

.message-text {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    padding: 16px 20px;
    border-radius: 18px;
    word-wrap: break-word;
    line-height: 1.7;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.user-message .message-text {
    background: var(--gradient-secondary);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    padding: 0 4px;
}

.user-message .message-time {
    text-align: left;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.quick-action-btn {
    padding: 12px 24px;
    background: rgba(99, 102, 241, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
    border-radius: 24px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.quick-action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--gradient-secondary);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

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

.quick-action-btn:hover {
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.message-examples {
    margin-top: 20px;
    padding: 16px;
    background: rgba(99, 102, 241, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    font-size: 14px;
    box-shadow: var(--shadow);
}

.message-examples strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.message-examples ul {
    list-style-position: inside;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Action Result Cards */
.action-result {
    margin-top: 12px;
    padding: 16px;
    background: rgba(99, 102, 241, 0.1);
    backdrop-filter: blur(10px);
    border-right: 4px solid var(--primary-color);
    border-radius: 12px;
    font-size: 14px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease-out;
}

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

.action-result.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
}

.action-result.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
}

.action-result-title {
    font-weight: 600;
    margin-bottom: 4px;
}

/* Task List */
.task-list {
    margin-top: 12px;
}

.task-item {
    padding: 16px;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.task-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.task-title {
    font-weight: 600;
    color: var(--text-primary);
}

.task-id {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-color);
    padding: 2px 8px;
    border-radius: 4px;
}

.task-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.task-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Project Status */
.project-status-card {
    margin-top: 16px;
    padding: 20px;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.status-stat {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.status-stat:last-child {
    border-bottom: none;
}

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

.status-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Input Area */
.chat-input-container {
    padding: 20px 32px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    position: relative;
    z-index: 1;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 28px;
    padding: 12px 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
}

.input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), var(--shadow-lg);
    transform: translateY(-2px);
}

.message-input {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    padding: 8px 12px;
    font-size: 14px;
    font-family: inherit;
    max-height: 120px;
    min-height: 40px;
    line-height: 1.5;
}

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

.btn-microphone {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background 0.2s;
}

.btn-microphone:hover {
    background: rgba(79, 70, 229, 0.1);
}

.btn-microphone.recording {
    background: var(--error-color);
    color: white;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.btn-send {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-send::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-send:hover:not(:disabled)::before {
    width: 200px;
    height: 200px;
}

.btn-send:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-send:active:not(:disabled) {
    transform: translateY(0) scale(1);
}

.btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-footer {
    margin-top: 8px;
    min-height: 20px;
    display: flex;
    align-items: center;
}

.recording-status {
    color: var(--error-color);
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    animation: fadeInOut 1.5s infinite;
}

.recording-status::before {
    content: '🔴';
    animation: pulse 1s infinite;
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.typing-indicator {
    color: var(--text-secondary);
    font-size: 13px;
    font-style: italic;
}

/* Scrollbar */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading-skeleton {
    background: linear-gradient(
        90deg,
        rgba(30, 41, 59, 0.3) 0%,
        rgba(99, 102, 241, 0.1) 50%,
        rgba(30, 41, 59, 0.3) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: 12px;
    height: 20px;
    margin: 8px 0;
}

/* Typing Indicator Animation */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.typing-indicator::after {
    content: '...';
    animation: typing 1.5s infinite;
}

@keyframes typing {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

/* Recording Pulse */
@keyframes recordingPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
}

.btn-microphone.recording {
    animation: recordingPulse 1.5s infinite, pulse 1s infinite;
}

/* Smooth Scroll */
.chat-messages {
    scroll-behavior: smooth;
}

/* Message Hover Effects */
.message:hover .message-text {
    transform: translateY(-1px);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Effects */
.task-item,
.project-status-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.task-item:hover,
.project-status-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        padding: 32px 24px;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .chat-header {
        padding: 16px 20px;
    }
    
    .header-content h1 {
        font-size: 20px;
    }
    
    .chat-messages {
        padding: 20px 16px;
    }
    
    .chat-input-container {
        padding: 16px 20px;
    }
    
    .input-wrapper {
        padding: 10px 14px;
    }
    
    .message-avatar {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .quick-action-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px 20px;
    }
    
    .message-content {
        max-width: 90%;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-action-btn {
        width: 100%;
    }
}