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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #0A0D1F;
    color: white;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
}

/* Desktop decorations */
.decoration-line,
.decoration-dot,
.decoration-text {
    display: none;
}

@media (min-width: 768px) {
    .decoration-line {
        display: block;
        position: fixed;
        left: 33.33%;
        top: 0;
        bottom: 0;
        width: 1px;
        background: linear-gradient(to bottom, transparent, #00F5D4, transparent);
        opacity: 0.6;
    }

    .decoration-dot {
        display: block;
        position: fixed;
        left: calc(33.33% - 4px);
        top: 50%;
        width: 8px;
        height: 8px;
        background-color: #00F5D4;
        border-radius: 50%;
        animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }

    .decoration-text {
        display: block;
        position: fixed;
        left: 10%;
        top: 50%;
        transform: translateY(-50%) rotate(-90deg);
        font-size: 0.75rem;
        font-weight: 500;
        color: #00F5D4;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        white-space: nowrap;
        opacity: 0.6;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .5;
    }
}

.content {
    max-width: 42rem;
    text-align: center;
}

@media (min-width: 768px) {
    .content {
        margin-left: calc(33.33% + 3rem);
        padding-right: 2rem;
        text-align: left;
    }
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

@media (min-width: 768px) {
    .logo-section {
        justify-content: flex-start;
    }
}

.logo {
    width: 2rem;
    height: 2rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

h1 {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    line-height: 1.3;
}

@media (min-width: 768px) {
    h1 {
        font-size: 1.25rem;
    }
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-item {
    font-size: 0.875rem;
    color: #C5C9D6;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    justify-content: center;
}

@media (min-width: 768px) {
    .feature-item {
        justify-content: flex-start;
    }
}

.checkmark {
    color: #00F5D4;
    font-weight: 600;
    font-size: 1rem;
}

.description {
    font-size: 0.75rem;
    color: #C5C9D6;
    max-width: 32rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .description {
        margin-left: 0;
        margin-right: 0;
        margin-bottom: 2.5rem;
    }
}

.status {
    font-size: 0.75rem;
    color: #8B91A8;
    font-style: italic;
}

/* Header Actions (Language + Login) */
.header-actions {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .header-actions {
        top: 1.5rem;
        right: 1.5rem;
    }
}

/* Language selector */
.language-selector {
}

.language-selector select {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.language-selector select:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.language-selector select:focus {
    outline: none;
    border-color: #00F5D4;
}

.language-selector option {
    background-color: #0A0D1F;
    color: white;
}

/* Login Button */
.login-btn {
    background-color: rgba(0, 245, 212, 0.1);
    color: #00F5D4;
    border: 1px solid rgba(0, 245, 212, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    white-space: nowrap;
}

.login-btn:hover {
    background-color: rgba(0, 245, 212, 0.2);
    border-color: #00F5D4;
    transform: translateY(-1px);
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 13, 31, 0.95);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: #1a1d35;
    padding: 2rem;
    border-radius: 1rem;
    width: 90%;
    max-width: 400px;
    position: relative;
    border: 1px solid rgba(0, 245, 212, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.75rem;
    color: #8B91A8;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.modal-close:hover {
    color: #00F5D4;
}

.modal-content h2 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    color: #C5C9D6;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: white;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #00F5D4;
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.1);
}

.form-group input::placeholder {
    color: #5a5e73;
}

.submit-btn {
    width: 100%;
    background-color: #00F5D4;
    color: #0A0D1F;
    border: none;
    padding: 0.875rem;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.submit-btn:hover:not(:disabled) {
    background-color: #00dcc1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 245, 212, 0.3);
}

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

.form-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    text-align: center;
    min-height: 1rem;
    font-weight: 500;
}