/* === Base Styles === */
:root {
    --cyber-blue: #00f0ff;
    --cyber-blue-dark: #0088ff;
    --cyber-blue-light: #a0f8ff;
    --cyber-bg: #0a0f1f;
    --cyber-bg-light: #121a25;
    --cyber-bg-dark: #05080f;
    --cyber-text: #e0e6ed;
    --cyber-text-dim: #8a9eb8;
    --cyber-error: #ff4444;
    --cyber-success: #00ff88;
}

body {
    margin: 0;
    padding: 0;
    background: var(--cyber-bg);
    font-family: 'Courier New', 'Segoe UI', monospace;
    color: var(--cyber-text);
    overflow-x: hidden;
    position: relative;
}

/* === Cyber Grid Background === */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    opacity: 0.5;
}

/* === Main Container === */
.cyber-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

/* === Logo === */
.cyber-logo-container {
    position: relative;
    margin-bottom: 40px;
}

.cyber-logo {
    width: 150px;
    height: auto;
    filter: drop-shadow(0 0 15px var(--cyber-blue));
    animation: logoPulse 6s infinite;
}

.cyber-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    border: 2px solid var(--cyber-blue);
    border-radius: 50%;
    opacity: 0;
    animation: pulse 4s infinite;
}

/* === Cyber Card === */
.cyber-card {
    background-color: rgba(10, 20, 30, 0.85);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
    max-width: 450px;
    width: 100%;
    border: 1px solid rgba(0, 240, 255, 0.2);
    position: relative;
    overflow: hidden;
}

    .cyber-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--cyber-blue), var(--cyber-blue-dark));
        box-shadow: 0 0 10px var(--cyber-blue);
    }

/* === Header === */
.cyber-header {
    margin-bottom: 30px;
    text-align: center;
}

.cyber-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin: 0 0 10px 0;
    color: var(--cyber-text);
    text-shadow: 0 0 10px var(--cyber-blue);
}

.cyber-accent {
    color: var(--cyber-blue);
}

.cyber-subtitle {
    color: var(--cyber-text-dim);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* === Alert === */
.cyber-alert {
    background-color: rgba(255, 68, 68, 0.1);
    border-left: 4px solid var(--cyber-error);
    padding: 15px;
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
}

.cyber-alert-icon {
    color: var(--cyber-error);
    font-size: 1.2rem;
}

.cyber-alert-messages {
    font-size: 0.9rem;
}

/* === Form Elements === */
.cyber-form {
    display: flex;
    flex-direction: column;
}

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

.cyber-label {
    display: block;
    margin-bottom: 8px;
    color: var(--cyber-text-dim);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.cyber-input-container {
    position: relative;
}

.cyber-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cyber-blue);
}

.cyber-input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    background-color: var(--cyber-bg-light);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 4px;
    color: var(--cyber-text);
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

    .cyber-input:focus {
        outline: none;
        border-color: var(--cyber-blue);
        box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    }

    .cyber-input::placeholder {
        color: var(--cyber-text-dim);
    }

.cyber-validation {
    color: var(--cyber-error);
    font-size: 0.8rem;
    margin-top: 5px;
    display: block;
}

/* === Options === */
.cyber-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.cyber-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--cyber-text-dim);
    font-size: 0.9rem;
}

    .cyber-checkbox input {
        position: absolute;
        opacity: 0;
        cursor: pointer;
    }

.cyber-checkmark {
    height: 18px;
    width: 18px;
    background-color: var(--cyber-bg-light);
    border: 1px solid rgba(0, 240, 255, 0.3);
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

    .cyber-checkmark::after {
        content: "✓";
        color: var(--cyber-blue);
        font-size: 12px;
        display: none;
    }

.cyber-checkbox input:checked ~ .cyber-checkmark::after {
    display: block;
}

.cyber-checkbox:hover .cyber-checkmark {
    border-color: var(--cyber-blue);
}

.cyber-link {
    color: var(--cyber-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

    .cyber-link:hover {
        text-shadow: 0 0 5px var(--cyber-blue);
    }

/* === Button === */
.cyber-button {
    background: linear-gradient(90deg, var(--cyber-blue), var(--cyber-blue-dark));
    color: var(--cyber-bg-dark);
    border: none;
    padding: 15px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

    .cyber-button:hover {
        box-shadow: 0 0 15px var(--cyber-blue);
        transform: translateY(-2px);
    }

    .cyber-button:active {
        transform: translateY(0);
    }

.cyber-button-loader {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: var(--cyber-bg-dark);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cyber-button.loading .cyber-button-loader {
    opacity: 1;
}

/* === Footer === */
.cyber-footer {
    margin-top: 40px;
    text-align: center;
}

.cyber-footer-text {
    color: var(--cyber-text-dim);
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.cyber-footer-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cyber-divider {
    color: var(--cyber-text-dim);
}

/* === Animations === */
@@keyframes logoPulse {
    0%, 100% {
        filter: drop-shadow(0 0 15px var(--cyber-blue));
    }

    50% {
        filter: drop-shadow(0 0 25px var(--cyber-blue));
    }
}

@@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.5;
    }

    70% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.3);
    }

    100% {
        opacity: 0;
    }
}

@@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* === Responsive === */
@@media (max-width: 576px) {
    .cyber-card {
        padding: 30px 20px;
    }

    .cyber-title {
        font-size: 1.8rem;
    }

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