@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

#logo {
    color: black;
}

body {
    font-family: 'Inter', sans-serif;
    background: black;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}



.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    justify-content: center;
}

.brand-section {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 3rem;
    color: white;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, black, black);
    -webkit-background-clip: text;
    background-clip: text;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 450px;
    margin-bottom: 30px;
}

.card-header {
    background: linear-gradient(135deg, black 0%, black 100%);
    padding: 0;
}

.tab-buttons {
    display: flex;
}

.tab-btn {
    flex: 1;
    padding: 20px 15px;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 40px 35px;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
}

.form-header p {
    color: #718096;
    font-size: 0.95rem;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.input-group label i {
    color: black;
    width: 16px;
}

.input-group input {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.input-group input:focus {
    outline: none;
    border-color: black;
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
}

.input-group input::placeholder {
    color: #a0aec0;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #718096;
    cursor: pointer;
    position: relative;
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: black;
    border-color: black;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 2px;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-link {
    color: black;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: black;
    text-decoration: underline;
}

.terms {
    margin-bottom: 25px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.terms .checkbox-container {
    align-items: flex-start;
    line-height: 1.5;
    font-size: 0.9rem;
    color: #4a5568;
}

.terms .checkbox-container input[type="checkbox"] {
    display: none;
}

.terms .checkmark {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
    margin-top: 2px;
}

.terms .checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, black 0%, black 100%);
    border-color: black;
}

.terms .checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: black;
    font-size: 11px;
}

.terms-text {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.link {
    color: #3182ce;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.link:hover {
    color: black;
    text-decoration: underline;
}

.auth-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, black 0%, black 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px black;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px black;
}

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

.card-footer {
    background: #f8fafc;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #e2e8f0;
}

.card-footer p {
    color: #718096;
    font-size: 0.85rem;
    margin: 0;
}

.features-preview {
    display: flex;
    gap: 30px;
    color: white;
    text-align: center;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.feature i {
    font-size: 2rem;
    color: white;
}

.feature span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Slanted arrangement for features */
.feature-slant-1 {
    transform: translateY(0px) rotate(-5deg);
}

.feature-slant-2 {
    transform: translateY(15px) rotate(3deg);
}

.feature-slant-3 {
    transform: translateY(5px) rotate(-2deg);
}

.feature:hover {
    transform: scale(1.1) rotate(0deg) !important;
    opacity: 1;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .auth-card {
        max-width: 100%;
        margin-bottom: 20px;
    }

    .card-body {
        padding: 30px 25px;
    }

    .form-header h2 {
        font-size: 1.5rem;
    }

    .features-preview {
        flex-direction: row-reverse;
        gap: 20px;
    }

    .feature {
        flex-direction: row;
        gap: 15px;
        transform: none !important;
    }

    .feature i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .brand-section {
        margin-bottom: 30px;
    }

    .logo {
        gap: 10px;
    }

    .logo i {
        font-size: 2.5rem;
    }

    .logo h1 {
        font-size: 1.8rem;
    }

    .card-body {
        padding: 25px 20px;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .terms .checkbox-container {
        font-size: 0.85rem;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px 15px;
    border-bottom: 1px solid #e2e8f0;
}

.modal-header h3 {
    margin: 0;
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #718096;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #f7fafc;
    color: #2d3748;
}

.modal-body {
    padding: 25px 30px;
}

.success-message {
    color: #38a169;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.secret-phrases-container {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}

.secret-phrases-container h4 {
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.secret-phrases {
    background: white;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    padding: 15px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #2d3748;
    word-wrap: break-word;
    margin-bottom: 15px;
}

.warning {
    color: #d69e2e;
    font-size: 0.85rem;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.warning i {
    margin-top: 2px;
    flex-shrink: 0;
}

.error-message {
    color: #e53e3e;
    text-align: center;
    font-weight: 500;
}

.modal-footer {
    padding: 20px 30px 25px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, black 0%, black 100%);
    color: white;
    box-shadow: 0 4px 15px black;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px black;
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.error-modal .modal-content {
    border-left: 4px solid #e53e3e;
}

@media (max-width: 480px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }

    .modal-header, .modal-body, .modal-footer {
        padding-left: 20px;
        padding-right: 20px;
    }

    .modal-footer {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }
}