/**
 * Phone Entry Page
 * Landing page before voice demo microphone permission
 */

/* Body Styling */
.phone-entry-body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Container */
.phone-entry-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo Section */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: fadeIn 0.6s ease-out;
}

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

.logo-main {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #ffffff;
    margin: 0;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

/* Entry Card */
.entry-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 32px;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.8s ease-out 0.2s both;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.entry-title {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 12px 0;
    letter-spacing: -0.5px;
    text-align: center;
}

.entry-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 32px 0;
    text-align: center;
    line-height: 1.5;
}

/* Phone Form */
.phone-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.input-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.phone-input {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.phone-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.phone-input:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.phone-input.error {
    border-color: #ff4444;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.input-error {
    font-size: 13px;
    color: #ff6666;
    min-height: 18px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.input-error.show {
    opacity: 1;
}

/* Continue Button */
.continue-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #000000;
    background: #ffffff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
}

.continue-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.continue-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

.continue-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.continue-btn svg {
    transition: transform 0.3s ease;
}

.continue-btn:hover svg {
    transform: translateX(4px);
}

/* Privacy Note */
.privacy-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    margin: 16px 0 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    line-height: 1.4;
}

.privacy-note svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Skip Link */
.skip-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    background: none;
    border: none;
    cursor: pointer;
    padding: 12px 24px;
    transition: all 0.3s ease;
    text-decoration: underline;
    text-underline-offset: 4px;
    -webkit-tap-highlight-color: transparent;
}

.skip-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    margin: 0;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .phone-entry-body {
        padding: 16px;
        min-height: 100vh;
        min-height: 100dvh;
    }

    .phone-entry-container {
        gap: 32px;
    }

    .logo-main {
        width: 64px;
        height: 64px;
    }

    .logo-text {
        font-size: 24px;
        letter-spacing: 3px;
    }

    .entry-card {
        padding: 32px 24px;
        border-radius: 20px;
    }

    .entry-title {
        font-size: 24px;
    }

    .entry-description {
        font-size: 15px;
    }
}

/* iPhone Specific */
@media (max-width: 414px) {
    .phone-entry-body {
        padding: 12px;
    }

    .phone-entry-container {
        gap: 24px;
    }

    .logo-main {
        width: 56px;
        height: 56px;
    }

    .logo-text {
        font-size: 22px;
    }

    .entry-card {
        padding: 28px 20px;
    }

    .entry-title {
        font-size: 22px;
    }

    .entry-description {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .phone-input {
        padding: 14px 16px;
    }

    .continue-btn {
        padding: 14px 20px;
    }
}

/* Small phones */
@media (max-width: 375px) {
    .entry-card {
        padding: 24px 18px;
    }

    .entry-title {
        font-size: 20px;
    }
}

/* Safe area support for iPhone notch/Dynamic Island */
@supports (padding: max(0px)) {
    .phone-entry-body {
        padding-top: max(20px, env(safe-area-inset-top));
        padding-bottom: max(20px, env(safe-area-inset-bottom));
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }

    @media (max-width: 768px) {
        .phone-entry-body {
            padding-top: max(16px, env(safe-area-inset-top));
            padding-bottom: max(16px, env(safe-area-inset-bottom));
        }
    }
}

/* Landscape mode adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .phone-entry-container {
        gap: 20px;
        max-width: 600px;
        flex-direction: row;
        align-items: center;
    }

    .logo-container {
        flex-direction: row;
        gap: 12px;
    }

    .logo-main {
        width: 48px;
        height: 48px;
    }

    .logo-text {
        font-size: 20px;
    }

    .entry-card {
        flex: 1;
        padding: 24px 28px;
    }

    .entry-title {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .entry-description {
        font-size: 14px;
        margin-bottom: 20px;
    }
}