@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap");

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

/* Catppuccin Mocha Palette */
:root {
    --ctp-rosewater: #f5e0dc;
    --ctp-flamingo: #f2cdcd;
    --ctp-pink: #f5c2e7;
    --ctp-mauve: #cba6f7;
    --ctp-red: #f38ba8;
    --ctp-maroon: #eba0ac;
    --ctp-peach: #fab387;
    --ctp-yellow: #f9e2af;
    --ctp-green: #a6e3a1;
    --ctp-teal: #94e2d5;
    --ctp-sky: #89dceb;
    --ctp-sapphire: #74c7ec;
    --ctp-blue: #89b4fa;
    --ctp-lavender: #b4befe;
    --ctp-text: #cdd6f4;
    --ctp-subtext1: #bac2de;
    --ctp-subtext0: #a6adc8;
    --ctp-overlay2: #9399b2;
    --ctp-overlay1: #7f849c;
    --ctp-overlay0: #6c7086;
    --ctp-surface2: #585b70;
    --ctp-surface1: #45475a;
    --ctp-surface0: #313244;
    --ctp-base: #1e1e2e;
    --ctp-mantle: #181825;
    --ctp-crust: #11111b;
}

body {
    font-family: "JetBrains Mono", monospace;
    background: var(--ctp-base);
    color: var(--ctp-text);
    height: 100vh;
    overflow: hidden;
    image-rendering: pixelated;
}

.hidden {
    display: none !important;
}

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.login-btn {
    background: var(--ctp-surface0);
    border: 2px solid var(--ctp-surface1);
    color: var(--ctp-text);
    padding: 14px 24px;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition:
        border-color 0.15s ease,
        background 0.15s ease;
    user-select: none;
}

.login-btn:hover {
    border-color: var(--ctp-mauve);
    background: var(--ctp-surface1);
}

.login-btn:active {
    background: var(--ctp-surface2);
}

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

/* ==================== WELCOME SCREEN ==================== */
.welcome-screen {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.logo {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    user-select: none;
    display: flex;
    gap: 4px;
}

.logo-dev {
    color: var(--ctp-overlay1);
}

.logo-den {
    color: var(--ctp-mauve);
}

/* ==================== INPUT STYLES ==================== */
.input-container {
    width: 100%;
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px;
}

.input-box {
    display: flex;
    align-items: center;
    background: var(--ctp-surface0);
    border: 2px solid var(--ctp-surface1);
    padding: 12px 16px;
    transition: border-color 0.15s ease;
}

.input-box:focus-within {
    border-color: var(--ctp-mauve);
}

input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--ctp-text);
    font-size: 14px;
    font-family: inherit;
}

input::placeholder {
    color: var(--ctp-overlay0);
}

.hint {
    text-align: center;
    font-size: 11px;
    color: var(--ctp-overlay0);
}

kbd {
    background: var(--ctp-surface1);
    color: var(--ctp-subtext1);
    padding: 2px 6px;
    font-size: 10px;
    font-family: inherit;
}

/* ==================== CHAT SCREEN ==================== */
.chat-screen {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--ctp-base);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: var(--ctp-mantle);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--ctp-surface1);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--ctp-surface2);
}

/* ==================== MESSAGES ==================== */
.message {
    font-size: 13px;
    line-height: 1.6;
    padding: 8px 16px;
    border-left: 3px solid transparent;
    opacity: 0;
    animation: fadeIn 0.2s ease forwards;
}

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

.message.user {
    border-left-color: var(--ctp-sapphire);
    background: var(--ctp-mantle);
}

.message.user .message-text {
    color: var(--ctp-text);
}

.message.assistant {
    border-left-color: var(--ctp-mauve);
}

.message.assistant .message-text {
    color: var(--ctp-subtext1);
}

/* ==================== CHAT INPUT ==================== */
.chat-input {
    padding: 16px;
    max-width: 100%;
    background: var(--ctp-mantle);
    border-top: 2px solid var(--ctp-surface0);
}

/* ==================== TYPING INDICATOR ==================== */
.typing {
    display: inline-flex;
    gap: 4px;
}

.typing span {
    width: 6px;
    height: 6px;
    background: var(--ctp-mauve);
    animation: blink 1s infinite step-start;
}

.typing span:nth-child(2) {
    animation-delay: 0.33s;
}

.typing span:nth-child(3) {
    animation-delay: 0.66s;
}

@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.2;
    }
}