:root {
    --bg: #0a0a0a;
    --surface: #111;
    --primary: #ff2e63;
    --text: rgba(255,255,255,0.95);
    --text-secondary: rgba(255,255,255,0.6);
    --border: rgba(255,255,255,0.1);
    --success: #00ff88;
    --error: #ff2e63;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
    line-height: 1;
}

main {
    width: 100%;
    max-width: 500px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -0.05em;
}

h1 span {
    color: var(--primary);
}

form {
    display: grid;
    gap: 1.5rem;
}

.input-group {
    position: relative;
}

input, textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.1);
}

input::placeholder, textarea::placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.counter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.counter input {
    flex: 1;
    text-align: center;
    padding: 1rem;
    appearance: textfield;
}

.counter button {
    background: var(--surface);
    color: var(--text);
    border: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.counter button:hover {
    background: rgba(255,255,255,0.05);
}

.counter span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

#sendButton {
    background: var(--primary);
    color: black;
    border: none;
    padding: 1.25rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

#sendButton:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 46, 99, 0.3);
}

#sendButton:active {
    transform: translateY(0);
}

#sendButton:disabled {
    opacity: 0.7;
    transform: none !important;
    cursor: not-allowed;
}

.spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(0,0,0,0.3);
    border-radius: 50%;
    border-top-color: black;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

#status.success {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success);
    opacity: 1;
    transform: translateY(0);
}

#status.error {
    background: rgba(255, 46, 99, 0.1);
    color: var(--error);
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }
    
    form {
        gap: 1rem;
    }
    
    input, textarea {
        padding: 1rem;
    }
}