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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a0030 0%, #0d001a 30%, #1a0a2e 50%, #0f0020 70%, #1a0030 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    font-family: 'Courier New', monospace;
    overflow-x: hidden;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, rgba(255, 0, 68, 0.2), transparent),
        radial-gradient(1px 1px at 40% 70%, rgba(176, 111, 255, 0.2), transparent),
        radial-gradient(1px 1px at 60% 40%, rgba(255, 0, 68, 0.15), transparent),
        radial-gradient(1px 1px at 80% 60%, rgba(176, 111, 255, 0.2), transparent),
        radial-gradient(1px 1px at 10% 80%, rgba(255, 0, 68, 0.15), transparent),
        radial-gradient(1px 1px at 70% 20%, rgba(176, 111, 255, 0.15), transparent),
        radial-gradient(2px 2px at 50% 50%, rgba(255, 0, 68, 0.1), transparent);
    pointer-events: none;
    z-index: 0;
}

/* Страницы */
.page {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.page.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ============ СТРАНИЦА ПРИВЕТСТВИЯ ============ */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100%;
    position: relative;
    padding: 20px;
    z-index: 2;
}

.logo-container {
    position: relative;
    margin-bottom: 60px;
}

.sh-letter {
    font-size: 180px;
    font-weight: bold;
    color: #ff0044;
    text-shadow: 
        0 0 15px #ff0044,
        0 0 30px #ff0044,
        0 0 50px rgba(255, 0, 68, 0.5);
    animation: floatLetter 3s ease-in-out infinite;
    user-select: none;
    line-height: 1;
    transition: text-shadow 0.3s ease;
    cursor: pointer;
}

.sh-letter:hover {
    text-shadow: 
        0 0 20px #ff0044,
        0 0 40px #ff0044,
        0 0 70px rgba(255, 0, 68, 0.6);
}

@keyframes floatLetter {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(-1deg); }
    50% { transform: translateY(-4px) rotate(0deg); }
    75% { transform: translateY(-10px) rotate(1deg); }
}

.logo-text {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    letter-spacing: 8px;
    color: #ff0044;
    opacity: 0.7;
    text-shadow: 0 0 10px #ff0044;
}

.slogan-container {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 50px;
}

.slogan {
    font-size: 20px;
    color: #e0c0ff;
    text-shadow: 0 0 15px #b06fff;
    letter-spacing: 2px;
}

.cursor {
    font-size: 20px;
    color: #ff0044;
    animation: blink 0.8s infinite;
    margin-left: 2px;
    text-shadow: 0 0 15px #ff0044;
}

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

.continue-btn {
    padding: 16px 60px;
    font-size: 18px;
    font-family: 'Courier New', monospace;
    letter-spacing: 3px;
    background: transparent;
    color: #ff0044;
    border: 1px solid #ff0044;
    border-radius: 50px;
    cursor: pointer;
    text-shadow: 0 0 10px #ff0044;
    box-shadow: 
        0 0 15px rgba(255, 0, 68, 0.4),
        0 0 30px rgba(255, 0, 68, 0.2),
        inset 0 0 15px rgba(255, 0, 68, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

.continue-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 68, 0.2), transparent);
    transition: left 0.5s ease;
}

.continue-btn:hover {
    background: rgba(255, 0, 68, 0.1);
    box-shadow: 
        0 0 25px rgba(255, 0, 68, 0.6),
        0 0 50px rgba(255, 0, 68, 0.4),
        inset 0 0 15px rgba(255, 0, 68, 0.2);
    transform: scale(1.05);
}

.continue-btn:hover::before {
    left: 100%;
}

.lang-btn {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: transparent;
    border: none;
    color: #b06fff;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    letter-spacing: 2px;
    cursor: pointer;
    text-shadow: 0 0 10px #b06fff;
    transition: all 0.3s ease;
    padding: 10px 20px;
}

.lang-btn:hover {
    color: #ff0044;
    text-shadow: 0 0 20px #ff0044;
}

/* ============ СТРАНИЦА АВТОРИЗАЦИИ ============ */
.auth-container {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.5s ease;
}

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

.auth-back-btn {
    position: absolute;
    top: -20px;
    left: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #b06fff;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 20px;
    user-select: none;
}

.auth-back-btn:hover {
    color: #ff0044;
    text-shadow: 0 0 15px #ff0044;
}

.back-arrow {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.auth-back-btn:hover .back-arrow {
    transform: translateX(-3px);
}

.back-text {
    font-size: 14px;
    letter-spacing: 2px;
}

.auth-logo {
    font-size: 80px;
    font-weight: bold;
    color: #ff0044;
    text-shadow: 0 0 15px #ff0044, 0 0 30px #ff0044, 0 0 50px rgba(255, 0, 68, 0.5);
    margin-bottom: 30px;
    animation: floatLetter 4s ease-in-out infinite;
}

.auth-title {
    font-size: 28px;
    color: #e0c0ff;
    text-shadow: 0 0 20px rgba(176, 111, 255, 0.5);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.auth-subtitle {
    font-size: 14px;
    color: #9a7fc0;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.phone-input-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 340px;
    margin-bottom: 10px;
}

.phone-prefix {
    font-size: 20px;
    color: #ff0044;
    text-shadow: 0 0 10px rgba(255, 0, 68, 0.6);
    font-weight: bold;
    padding: 15px 15px 15px 0;
    letter-spacing: 1px;
    border-right: 1px solid rgba(255, 0, 68, 0.3);
    margin-right: 15px;
}

.phone-input {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(176, 111, 255, 0.4);
    padding: 15px 10px;
    font-size: 20px;
    color: #e0c0ff;
    font-family: 'Courier New', monospace;
    letter-spacing: 4px;
    outline: none;
    transition: all 0.3s ease;
    caret-color: #ff0044;
    text-shadow: 0 0 10px rgba(224, 192, 255, 0.5);
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.phone-input:focus {
    border-bottom-color: #ff0044;
    box-shadow: 0 5px 15px -5px rgba(255, 0, 68, 0.3);
}

.input-glow {
    position: absolute;
    bottom: 0;
    left: 60px;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ff0044, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.phone-input:focus ~ .input-glow {
    opacity: 1;
}

.phone-mask {
    width: 100%;
    max-width: 340px;
    text-align: left;
    font-size: 12px;
    color: #6a4f8a;
    letter-spacing: 1px;
    margin-bottom: 30px;
    padding-left: 65px;
    height: 20px;
}

.get-code-btn {
    width: 100%;
    max-width: 340px;
    padding: 16px;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    letter-spacing: 3px;
    background: transparent;
    color: #6a4f8a;
    border: 1px solid #3d2a5e;
    border-radius: 50px;
    cursor: not-allowed;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

.get-code-btn:not(:disabled) {
    color: #ff0044;
    border-color: #ff0044;
    cursor: pointer;
    text-shadow: 0 0 10px #ff0044;
    box-shadow: 0 0 15px rgba(255, 0, 68, 0.3), 0 0 30px rgba(255, 0, 68, 0.15), inset 0 0 15px rgba(255, 0, 68, 0.1);
}

.get-code-btn:not(:disabled)::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 68, 0.2), transparent);
    transition: left 0.5s ease;
}

.get-code-btn:not(:disabled):hover {
    background: rgba(255, 0, 68, 0.1);
    box-shadow: 0 0 25px rgba(255, 0, 68, 0.5), 0 0 40px rgba(255, 0, 68, 0.3);
    transform: scale(1.03);
}

.get-code-btn.loading .btn-text { display: none; }
.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid #ff0044;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

.get-code-btn.loading .btn-loader { display: block; }

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

.auth-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6a4f8a;
    font-size: 12px;
    letter-spacing: 1px;
}

/* ============ СТРАНИЦА ВВОДА КОДА ============ */
.code-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: 40px 30px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.5s ease;
}

.code-back-btn {
    position: absolute;
    top: -20px;
    left: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #b06fff;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 20px;
    user-select: none;
}

.code-back-btn:hover {
    color: #ff0044;
    text-shadow: 0 0 15px #ff0044;
}

.code-icon {
    font-size: 60px;
    margin-bottom: 20px;
    animation: floatLetter 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 0, 68, 0.5));
}

.code-title {
    font-size: 28px;
    color: #e0c0ff;
    text-shadow: 0 0 20px rgba(176, 111, 255, 0.5);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.code-subtitle {
    font-size: 14px;
    color: #9a7fc0;
    margin-bottom: 40px;
    letter-spacing: 1px;
    text-align: center;
}

.code-input-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.code-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 0, 30, 0.5);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid rgba(176, 111, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

.code-letter-input {
    width: 60px;
    height: 70px;
    background: rgba(20, 0, 50, 0.6);
    border: 2px solid rgba(255, 0, 68, 0.5);
    border-radius: 12px;
    color: #ff0044;
    font-size: 36px;
    font-family: 'Courier New', monospace;
    text-align: center;
    text-transform: uppercase;
    caret-color: #ff0044;
    text-shadow: 0 0 15px #ff0044;
    box-shadow: 0 0 20px rgba(255, 0, 68, 0.2), inset 0 0 20px rgba(255, 0, 68, 0.1);
    transition: all 0.3s ease;
    outline: none;
    font-weight: bold;
}

.code-letter-input:focus {
    border-color: #ff0044;
    box-shadow: 0 0 30px rgba(255, 0, 68, 0.4), inset 0 0 20px rgba(255, 0, 68, 0.2);
    transform: scale(1.05);
}

.code-letter-input::placeholder {
    color: rgba(255, 0, 68, 0.2);
}

.code-separator {
    font-size: 36px;
    color: #ff0044;
    text-shadow: 0 0 15px #ff0044;
    font-weight: bold;
    margin: 0 5px;
}

.code-digits-group {
    display: flex;
    gap: 5px;
}

.code-digit-input {
    width: 45px;
    height: 70px;
    background: rgba(20, 0, 50, 0.6);
    border: 2px solid rgba(176, 111, 255, 0.4);
    border-radius: 12px;
    color: #e0c0ff;
    font-size: 30px;
    font-family: 'Courier New', monospace;
    text-align: center;
    caret-color: #e0c0ff;
    text-shadow: 0 0 10px rgba(224, 192, 255, 0.5);
    box-shadow: 0 0 15px rgba(176, 111, 255, 0.1), inset 0 0 15px rgba(176, 111, 255, 0.05);
    transition: all 0.3s ease;
    outline: none;
    font-weight: bold;
}

.code-digit-input:focus {
    border-color: #b06fff;
    box-shadow: 0 0 25px rgba(176, 111, 255, 0.3), inset 0 0 15px rgba(176, 111, 255, 0.1);
    transform: scale(1.05);
}

.code-space {
    width: 15px;
}

.code-error {
    color: #ff0044;
    font-size: 14px;
    margin-top: 15px;
    letter-spacing: 1px;
    text-shadow: 0 0 10px #ff0044;
    min-height: 20px;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.code-timer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.timer-text {
    font-size: 14px;
    color: #6a4f8a;
    letter-spacing: 1px;
}

.resend-btn {
    background: transparent;
    border: 1px solid #3d2a5e;
    color: #6a4f8a;
    padding: 10px 25px;
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    letter-spacing: 2px;
    cursor: not-allowed;
    transition: all 0.3s ease;
}

.resend-btn:not(:disabled) {
    color: #ff0044;
    border-color: #ff0044;
    cursor: pointer;
    text-shadow: 0 0 10px #ff0044;
    box-shadow: 0 0 15px rgba(255, 0, 68, 0.3);
}

.resend-btn:not(:disabled):hover {
    background: rgba(255, 0, 68, 0.1);
    box-shadow: 0 0 25px rgba(255, 0, 68, 0.5);
}

/* ============ СТРАНИЦА ЧАТОВ ============ */
.chats-container {
    width: 100%;
    height: 100vh;
    display: flex;
    background: rgba(10, 0, 25, 0.95);
    backdrop-filter: blur(10px);
    z-index: 2;
}

/* Сайдбар */
.sidebar {
    width: 80px;
    background: rgba(15, 0, 35, 0.8);
    border-right: 1px solid rgba(176, 111, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    transition: width 0.3s ease;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.sidebar-logo {
    font-size: 40px;
    font-weight: bold;
    color: #ff0044;
    text-shadow: 0 0 15px #ff0044;
    animation: floatLetter 3s ease-in-out infinite;
}

.sidebar-title {
    font-size: 10px;
    color: #ff0044;
    letter-spacing: 5px;
    margin-top: 5px;
    text-shadow: 0 0 10px #ff0044;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    width: 100%;
}

.nav-item {
    width: 55px;
    height: 55px;
    border-radius: 15px;
    border: none;
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    color: #6a4f8a;
}

.nav-item:hover {
    background: rgba(176, 111, 255, 0.1);
    color: #b06fff;
}

.nav-item.active {
    background: rgba(255, 0, 68, 0.15);
    color: #ff0044;
    box-shadow: 0 0 20px rgba(255, 0, 68, 0.2);
}

.nav-icon {
    font-size: 22px;
}

.nav-text {
    font-size: 9px;
    letter-spacing: 1px;
    font-family: 'Courier New', monospace;
}

.nav-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #ff0044;
    color: white;
    font-size: 10px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', monospace;
    box-shadow: 0 0 10px #ff0044;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.security-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    box-shadow: 0 0 10px #00ff88;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    font-size: 8px;
    color: #00ff88;
    letter-spacing: 1px;
    text-shadow: 0 0 5px #00ff88;
    writing-mode: vertical-rl;
}

.logout-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px;
}

.logout-btn:hover {
    transform: scale(1.2);
}

/* Основной контент */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tab-content {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow-y: auto;
}

.tab-content.active {
    display: flex;
}

/* Список чатов */
.chats-header {
    padding: 25px 30px 15px;
    border-bottom: 1px solid rgba(176, 111, 255, 0.1);
}

.chats-header h2 {
    font-size: 28px;
    color: #e0c0ff;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(20, 0, 50, 0.4);
    border: 1px solid rgba(176, 111, 255, 0.2);
    border-radius: 15px;
    padding: 10px 15px;
    gap: 10px;
}

.search-icon {
    font-size: 16px;
}

.search-input {
    background: transparent;
    border: none;
    color: #e0c0ff;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    outline: none;
    width: 100%;
}

.search-input::placeholder {
    color: #6a4f8a;
}

.chats-list {
    padding: 10px;
}

.chat-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 15px;
    margin-bottom: 5px;
}

.chat-item:hover {
    background: rgba(176, 111, 255, 0.05);
}

.chat-item.active-chat {
    background: rgba(255, 0, 68, 0.1);
    border: 1px solid rgba(255, 0, 68, 0.3);
}

.chat-avatar {
    width: 55px;
    height: 55px;
    border-radius: 15px;
    background: linear-gradient(135deg, #ff0044, #b06fff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(255, 0, 68, 0.3);
}

.chat-info {
    flex: 1;
}

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

.chat-header h3 {
    font-size: 16px;
    color: #e0c0ff;
    letter-spacing: 1px;
}

.chat-time {
    font-size: 12px;
    color: #6a4f8a;
}

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

.chat-preview p {
    font-size: 13px;
    color: #9a7fc0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.encryption-badge {
    font-size: 10px;
    color: #00ff88;
    text-shadow: 0 0 5px #00ff88;
    margin-left: 10px;
}

.chat-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.chat-status.online {
    background: #00ff88;
    box-shadow: 0 0 10px #00ff88;
}

/* Плейсхолдеры */
.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #6a4f8a;
    gap: 15px;
}

.placeholder-icon {
    font-size: 80px;
    opacity: 0.3;
}

.placeholder-content h2 {
    color: #9a7fc0;
    letter-spacing: 2px;
}

.placeholder-content p {
    letter-spacing: 1px;
}

/* Окно чата */
.chat-window {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-window-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(176, 111, 255, 0.2);
    gap: 15px;
}

.back-to-chats {
    background: transparent;
    border: none;
    color: #b06fff;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px;
}

.back-to-chats:hover {
    color: #ff0044;
    transform: translateX(-3px);
}

.chat-window-avatar {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ff0044, #b06fff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    font-weight: bold;
}

.chat-window-info {
    flex: 1;
}

.chat-window-info h3 {
    font-size: 16px;
    color: #e0c0ff;
    letter-spacing: 1px;
}

.chat-window-status {
    font-size: 11px;
    color: #00ff88;
    text-shadow: 0 0 5px #00ff88;
}

.chat-menu-btn {
    background: transparent;
    border: none;
    color: #b06fff;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message-date {
    text-align: center;
    color: #6a4f8a;
    font-size: 12px;
    letter-spacing: 1px;
    margin: 10px 0;
}

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

.message.received {
    align-self: flex-start;
}

.message.sent {
    align-self: flex-end;
}

.message-bubble {
    padding: 12px 18px;
    border-radius: 15px;
    position: relative;
}

.message.received .message-bubble {
    background: rgba(176, 111, 255, 0.1);
    border: 1px solid rgba(176, 111, 255, 0.2);
    border-top-left-radius: 5px;
    color: #e0c0ff;
}

.message.sent .message-bubble {
    background: rgba(255, 0, 68, 0.15);
    border: 1px solid rgba(255, 0, 68, 0.3);
    border-top-right-radius: 5px;
    color: #ffcccc;
}

.message-bubble p {
    font-size: 14px;
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.message-time {
    font-size: 10px;
    color: #6a4f8a;
    display: block;
    margin-top: 5px;
    text-align: right;
}

.message-input-container {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-top: 1px solid rgba(176, 111, 255, 0.2);
    gap: 10px;
}

.attach-btn, .send-btn {
    background: transparent;
    border: 1px solid rgba(176, 111, 255, 0.3);
    color: #b06fff;
    width: 45px;
    height: 45px;
    border-radius: 15px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.attach-btn:hover, .send-btn:hover {
    background: rgba(176, 111, 255, 0.1);
    border-color: #b06fff;
}

.send-btn {
    background: rgba(255, 0, 68, 0.1);
    border-color: rgba(255, 0, 68, 0.3);
    color: #ff0044;
}

.send-btn:hover {
    background: rgba(255, 0, 68, 0.2);
    box-shadow: 0 0 20px rgba(255, 0, 68, 0.3);
}

.message-input {
    flex: 1;
    background: rgba(20, 0, 50, 0.4);
    border: 1px solid rgba(176, 111, 255, 0.2);
    border-radius: 15px;
    padding: 12px 20px;
    color: #e0c0ff;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    outline: none;
}

.message-input::placeholder {
    color: #6a4f8a;
}

/* Цифровой дождь */
.digital-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.05;
}

/* Адаптивность */
@media (max-width: 768px) {
    .code-input-container {
        flex-wrap: wrap;
        justify-content: center;
        padding: 15px;
    }
    
    .code-digit-input {
        width: 38px;
        height: 55px;
        font-size: 24px;
    }
    
    .code-letter-input {
        width: 50px;
        height: 55px;
        font-size: 28px;
    }
    
    .sidebar {
        width: 60px;
    }
    
    .nav-item {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 600px) {
    .sh-letter { font-size: 120px; }
    .slogan { font-size: 16px; }
    
    .auth-logo { font-size: 60px; }
    .auth-title { font-size: 24px; }
    
    .code-digit-input {
        width: 32px;
        height: 48px;
        font-size: 20px;
    }
    
    .code-letter-input {
        width: 42px;
        height: 48px;
        font-size: 24px;
    }
    
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 70px;
        flex-direction: row;
        padding: 0 10px;
        z-index: 10;
        border-top: 1px solid rgba(176, 111, 255, 0.2);
        border-right: none;
    }
    
    .sidebar-header, .sidebar-footer { display: none; }
    
    .sidebar-nav {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .main-content {
        margin-bottom: 70px;
    }
}