@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Nunito:wght@700;800&family=Inter:wght@400;500&display=swap');

:root {
    --default-font: "Roboto", system-ui, sans-serif;
    --heading-font: "Nunito", sans-serif;
    --nav-font: "Inter", sans-serif;
    --background-color: #0a192f;
    --surface-color: #112240;
    --contrast-color: #0a192f;
    --default-color: #e6f1ff;
    --heading-color: #ffffff;
    --accent-color: #00d1ff;
    --accent-color-darker: color-mix(in srgb, var(--accent-color), black 20%);
    --nav-color: #ccd6f6;
    --placeholder: #6c6c6c;
    --700: var(--surface-color);
    --800: color-mix(in srgb, var(--surface-color), black 25%);
    --900: var(--background-color);
    --border-color-themed: rgba(0, 209, 255, 0.15);
    --border-color-themed-hover: rgba(0, 209, 255, 0.4);
    --shadow-color-dark-themed: rgba(0, 0, 0, 0.12);
    --shadow-color-dark-themed-hover: rgba(0, 0, 0, 0.25);
    --shadow-color-accent-themed: rgba(0, 209, 255, 0.2);
    --shadow-color-accent-themed-strong: rgba(0, 209, 255, 0.35);
    --text-shadow-soft: 0 1px 2px rgba(0,0,0,0.3);
    --text-shadow-accent: 0 0 8px var(--shadow-color-accent-themed);
    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.3s;
    --transition-easing: ease-in-out;
    --gradient: linear-gradient(90deg, var(--accent-color-darker), var(--accent-color));
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 15px var(--shadow-color-accent-themed); }
    50% { box-shadow: 0 0 25px var(--shadow-color-accent-themed-strong); }
}

::-webkit-scrollbar { width: 6px; height: 3px; }
::-webkit-scrollbar-track { background: var(--900); }
::-webkit-scrollbar-thumb { background: var(--accent-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--accent-color), white 25%); }

body {
    overflow-x: hidden !important;
    color: var(--default-color);
    background-color: var(--background-color);
    font-family: var(--default-font);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(0, 209, 255, 0.07) 0%, transparent 35%),
        radial-gradient(circle at 90% 80%, rgba(0, 209, 255, 0.07) 0%, transparent 35%);
    margin: 0;
    padding: 0;
}

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    background-color: var(--background-color);
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}
.loading-spinner {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin: 20px auto;
    border: 4px solid rgba(0, 209, 255, 0.2);
    border-top-color: var(--accent-color);
    animation: loading-spinner-smooth-spin 0.9s cubic-bezier(0.65, 0.05, 0.36, 1) infinite;
    box-shadow: 0 0 12px var(--shadow-color-accent-themed);
}
@keyframes loading-spinner-smooth-spin {
    to { transform: rotate(360deg); }
}
.loading-text {
    color: var(--nav-color);
    font-family: var(--nav-font);
    font-size: 15px;
    letter-spacing: 0.05em;
    animation: loading-text-subtle-fade 1.8s ease-in-out infinite alternate;
}
@keyframes loading-text-subtle-fade {
    from { opacity: 0.6; }
    to { opacity: 1; }
}

.authBg {
    width: 100vw;
    min-height: 100vh;
}
.authContainer {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    animation: fadeIn 0.8s var(--transition-easing) forwards;
}

.loginBox {
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
    padding: 30px 40px;
    background: var(--surface-color);
    border: 1px solid var(--border-color-themed);
    border-radius: 12px;
    box-shadow: 0 10px 30px var(--shadow-color-dark-themed-hover);
}
.loginBox h1 {
    font-family: var(--heading-font);
    color: var(--heading-color);
    text-shadow: var(--text-shadow-soft), var(--text-shadow-accent);
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin: 0 0 10px 0;
}
.loginBox .subtitle {
    text-align: center;
    color: var(--nav-color);
    margin: 0 0 35px 0;
    font-family: var(--nav-font);
}
.loginBox label {
    display: block;
    color: var(--nav-color) !important;
    margin-bottom: 10px !important;
    font-weight: 500;
    font-family: var(--nav-font);
}
.loginBox input,
.loginBox textarea,
.loginBox select {
    width: 100%;
    box-sizing: border-box !important;
    border: 1px solid var(--border-color-themed) !important;
    outline: none !important;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.2) !important;
    border-radius: 8px !important;
    background: var(--800) !important;
    color: var(--default-color) !important;
    padding: 12px 15px !important;
    margin-bottom: 20px;
    transition: all var(--transition-speed-normal) var(--transition-easing);
    font-family: var(--default-font);
}
.loginBox input::placeholder,
.loginBox textarea::placeholder {
    color: var(--placeholder);
    opacity: 0.8;
}
.loginBox input:focus,
.loginBox textarea:focus,
.loginBox select:focus {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color), transparent 70%),
                inset 0 1px 2px rgba(0,0,0,0.1) !important;
}
.loginBox select {
    appearance: none;
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23ccd6f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 1em;
}

.glowing-btn {
    width: fit-content;
    display: flex;
    margin: 20px auto 0 auto;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 35px !important;
    background: var(--gradient) !important;
    border: none;
    border-radius: 8px !important;
    font-weight: bold;
    color: var(--contrast-color) !important;
    cursor: pointer;
    transition: all var(--transition-speed-normal) var(--transition-easing) !important;
    box-shadow: 0 4px 15px color-mix(in srgb, var(--accent-color), transparent 60%) !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    font-size: 16px;
    font-family: var(--heading-font);
    position: relative;
    overflow: hidden;
}
.glowing-btn:disabled {
    cursor: not-allowed;
    filter: grayscale(80%);
    opacity: 0.7;
}
.glowing-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--accent-color), transparent 50%) !important;
}
.glowing-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 60%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s ease;
    border-radius: 50%;
}
.glowing-btn:active::before {
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0s;
}

.chat-view-container {
    width: 100%;
    max-width: 800px;
    height: 90vh;
    max-height: 800px;
    display: none;
    flex-direction: column;
    animation: fadeIn 0.8s var(--transition-easing) forwards;
}
#chat-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color-themed);
    border-radius: 12px;
    box-shadow: 0 10px 30px var(--shadow-color-dark-themed-hover);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color-themed);
    text-align: center;
}
.chat-header h1 {
    font-family: var(--heading-font);
    font-size: 20px;
    color: var(--heading-color);
    margin: 0;
    text-shadow: var(--text-shadow-accent);
}
.chat-header .status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--nav-color);
    font-size: 12px;
    margin-top: 4px;
}
.chat-header .dot {
    width: 8px;
    height: 8px;
    background-color: #2ecc71;
    border-radius: 50%;
    box-shadow: 0 0 8px #2ecc71;
    animation: pulseGlow 2s infinite;
}

#messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.message {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 80%;
    line-height: 1.5;
    word-wrap: break-word;
    animation: fadeInUp 0.5s var(--transition-easing) forwards;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.message.animate-in {
    animation: fadeInUp 0.5s var(--transition-easing) forwards;
}
.message strong {
    font-weight: 700;
    font-family: var(--nav-font);
    display: block;
    margin-bottom: 4px;
}
.message.user {
    background: var(--accent-color);
    color: var(--contrast-color);
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}
.message.user strong {
    color: var(--contrast-color);
}
.message.support {
    background: var(--800);
    color: var(--default-color);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}
.message.support strong {
    color: var(--accent-color);
}
.message img {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 10px;
    display: block;
    border: 1px solid rgba(0,0,0,0.1);
}
.message.system {
    font-style: italic;
    color: var(--placeholder);
    text-align: center;
    align-self: center;
    max-width: 100%;
    background: none;
    padding: 5px;
    box-shadow: none;
    font-size: 13px;
}

#chat-form {
    display: flex;
    padding: 15px;
    gap: 10px;
    border-top: 1px solid var(--border-color-themed);
    background: var(--800);
}
.input-wrapper {
    flex-grow: 1;
    position: relative;
}
#chat-input {
    width: 100%;
    box-sizing: border-box !important;
    border: 1px solid var(--border-color-themed) !important;
    outline: none !important;
    border-radius: 25px !important;
    background: var(--900) !important;
    color: var(--default-color) !important;
    padding: 10px 20px !important;
    transition: all var(--transition-speed-normal) var(--transition-easing);
    font-family: var(--default-font);
}
#chat-input:focus {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color), transparent 70%);
}
.icon-btn {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color-themed) !important;
    background: var(--700) !important;
    color: var(--nav-color) !important;
    cursor: pointer;
    transition: all var(--transition-speed-normal) var(--transition-easing);
}
.icon-btn:hover {
    background: var(--accent-color) !important;
    color: var(--contrast-color) !important;
    border-color: var(--accent-color) !important;
    transform: scale(1.1);
}
.icon-btn.send {
    background: var(--accent-color) !important;
    color: var(--contrast-color) !important;
    border-color: var(--accent-color) !important;
}
.icon-btn.send:hover {
    filter: brightness(1.2);
    transform: scale(1.1);
}

.status-message {
    text-align: center;
    padding: 10px;
    margin-top: 15px;
    margin-bottom: 5px;
    border-radius: 8px;
    font-weight: 500;
    background-color: rgba(0, 209, 255, 0.1);
    border: 1px solid rgba(0, 209, 255, 0.2);
    color: var(--accent-color);
}
.status-message[style*="ff4d4d"] {
    background-color: rgba(255, 77, 77, 0.1);
    border-color: rgba(255, 77, 77, 0.2);
    color: #ff4d4d;
}

@media(max-width: 768px) {
    .authContainer { padding: 10px; }
    .loginBox { padding: 20px; }
    .chat-view-container { height: 95vh; }
    #messages { padding: 15px; }
    #chat-form { padding: 10px; }
}